Brain Quiz – Test Your Brain – All Levels Answers & Solutions with Video Walkthrough

Level 1.0 – What is the smallest number?

Answer: The answer is number 105 because it smallest in size – Video

Level 1.1 – What is the biggest animal?

Answer: The answer is Elephant – Video

Level 1.2 – Who is the highest one?

Answer: Tap on the Rabbit because it highest on the screen – Video

Level 1.3 – What is the space number the car has parked?

Answer: Moving the car out of that parking space. The answer is 35 – Video

Level 1.4 – Put everything into the box

Answer: You have to put an apple, a light bulb,
glass of orange juice and also the question sentence into the box – Video

Level 1.5 – Help the boy cross the street

Answer: Move the street to the left side of the boy – Video

Level 1.6 – Tap a pig that is above the question text

Answer: Drag the question text below the pig before tapping – Video

Level 1.7 – Put the elephant into the fridge

Answer: Zoom in to make fridge larger then drag the elephant into it – Video

Level 1.8 – How many chicks?

Answer: There are some chicks hidden behind other chicks, drag it out and counting – Video

Level 1.9 – Find the darkest color?

Answer: The color of the text question is darkest, tap on it – Video

Level 2.0 – Find out the biggest fire

Answer: Bring fire together to make it bigger – Video

Level 2.1 – What is the number of hair?

Answer: The boy is wearing a wig, drag it out and count. The answer is 4 – Video

Level 2.2 – Are there how many ants?

Answer: There are still some ants on the stone. Zoom to make it bigger and count. The answer is 14 – Video

Level 2.3 – Find the different one!

Answer: Move the cakes to find the different one hidden under other cake – Video

Level 2.4 – Create a rectangle

Answer: Drag the square a little bit off the screen to make it becoming a rectangle – Video

Level 2.5 – The monkey wants to eat banana. Please help him!

Answer: Drag the bananas and give them to the monkey – Video

Level 2.6 – Tap on the car to drive it to the parking sign

Answer: Drag the parking sign to the car before tapping it – Video

Level 2.7 – Which of the following is uneatable?

Answer: Tap on the plate – Video

Level 2.8 – Slide left to unlock

Answer: You have to read it carefully, slide LEFT – Answer

Level 2.9 – Which 3 numbers add up to 9?

Answer: You can choose a number twice so 2+2+5 – Video

Level 3.0 – Try to put 25$ into the piggy bank

Answer: Just put 25$ on the question – Video

Level 3.1 – What is the sum of 3 distinct largest numbers in the following?

Answer: 7+8+9 on the keyboard number. The answer is 24 – Video

Level 3.2 – Which egg is harder to break?

Answer: Tap the eggs until one of them is break. The other egg is harder – Video

Level 3.3 – Click on the menu to go to the next question

Answer: The menu has gray color near the bottom right corner, click on it – Video

Level 3.4 – What is the biggest number on the screen?

Answer: The level number is biggest – Video

Level 3.5 – Find green

Answer: Mix yellow and blue to make green – Video

Level 3.6 – Please erase the picture.

Answer: Rub your finger over the word ‘picture’ to erase it – Video

Level 3.7 – Please tap on the arrows in the following orders

Answer: For the last one, you need to wait 3 seconds before the right arrow appears – Video

Level 3.8 – The dog looks sad

Answer: Rubbing his head to make him happy – Video

Level 3.9 – Turn off the light

Answer: Swipe the bulb to the left a few times to take it out – Video

Level 4.0 – I can’t go in. Please help open the door please

Answer: Put your finger on the fingerprint sensor of the door to open – Video

Level 4.1 – Drive the car to the parking sign again

Answer: Tap on the car to start it, swipe left to turn around before it hits the rock to go to the parking sign – Video

Level 4.2 – No smoking!

Answer: Tap on the cigarette a few time to stub it out – Video

Level 4.3 – After 2 hours, what number will hour hand point to?

Answer: It’s just a picture, so the answer is still 8 – Video

Level 4.4 – What is the right answer?

Answer: The answer is 4.4 on the question – Video

Level 4.5 – Can you solve this?

Answer: 1 +2+2+11+2+4+11+2+6+1 = 42 – Video

Level 4.6 – Help the motorcyclist to win the race

Answer: Use your 2 fingers to press and hold the cars to stop them from moving – Video

Level 4.7 – Please put the shapes in the corresponding positions

Answer: For the circle, you need to zoom out to make it smaller – Video

Level 4.8 – Here are mother hens. Find the baby chick

Answer: Hold one of the mother hens by one finger and shake it on the screen, the chick is hidden in one of those mother hens – Video

Level 4.9 – Tap 2 times on the same one

Answer: Tap on the same image twice – Video

Level 5.0 – 2 = 6 3 = 26 4 = 326 5 = 4326 6 = ?

Answer: The answer is 2 – Video

Level 5.1 – The little piggy sleeps too much today. Wake him up

Answer: Keep pressing your finger on his nose until he wake up – Video

Level 5.2 – This panda is so lonely!

Answer: Long press to copy and paste one more panda – Video

Level 5.4 – Please turn on all the light bulbs on the screen

Answer: Drag the first one out of the screen and then turn on – Video

Level 5.5 – Turn the light on

Answer: Press one finger on the wire and another finger on the light bulb to conduct the electricity and turn the light on – Video

Level 5.6 – Which one would you take?

Answer: Swipe tp take it all – Video

Level 5.7 – Please fix the mistake

Answer: Just erase the last number 1 – Video

Level 5.8 – We want to put the elephant into the fridge again

Answer: Hold the handle and swipe right to open the fridge and put the elephant inside – Video

Level 5.9 – How many holes are in the following shorts?

Answer: The answer is 7 holes – Video

Level 6.0 – Please help them cross the river

Answer: Zoom in to make it become a bridge – Video

Level 6.1 – What is inside the box?

Answer: Hold the box and shake them to find out – Video

Level 6.2 – Too dangerous! The electric kettle leaks electric current!

Answer: Tap on the button on the kettle to turn it off – Video

Level 6.3 – Please help the ticket inspector check the ticket

Answer: Use two fingers to split the ticket apart along the dotted line – Video

Level 6.4 – How many $ the piggybank contain?

Answer: Tap on it a few time to make it breaks and count – Video

Level 6.5 – What is the space number the car has parked again?

Answer: Look upside down to find the pattern. The answer is 67 – Video

Level 6.6 – Click on the yellow rectangle 12 times

Answer: Count by your self, stop at number 13 – Video

Level 6.7 – Find 8 animals

Answer: Tap the cloud to create rain, there is a worm behind the stone – Video

Level 6.8 – Teacher is coming. Please help me hide the gamepad

Answer: Use your finger to cover the gamepad to hide it – Video

Level 6.9 – This level is easy. To pass it, just click here

Answer: Click the word ‘ here’ on the question – Video

Level 7.0 – Where is the mother hen?

Answer: Move the screen to the right to find it – Video

Level 7.1 – My car is dirty. Please help me clean it

Answer: Rub your hand on the car to clean it – Video

Level 7.2 – How many cakes?

Answer: There are some cakes hidden under the ‘Clear’ button. The answer is 13 cakes – Video

Level 7.3 – Please fix the mistake

Answer: Rotate the arrows to the right direction – Video

Level 7.5 – What is the value of x?

Answer: Enter your battery percent – Video

Level 7.6 – Help the bus pass the obstacles

Answer: Zoom out the bus to make it smaller – Video

Level 7.7 – URGENT: We need to hide the elephant somewhere

Answer: Drag the elephant off the screen – Video

Level 7.8 – Tap numbers the following order: 15, 2, 53, 8, 14, 30, 15, 22, 5

Answer: Number 15 doesn’t belong to the question title, it is a number that is needed to be tapped on the screen – Video

Level 7.9 – Please make this equation become true

Answer: Erase the left part of the W character to make V = V – Video

Level 8.0 – Please put the elephant to the fridge!

Answer: Zoom in to make the fridge bigger and then drag the elephant into it – Video

Level 8.1 – What is inside the box?

Answer: Drag the lid and the box apart vertically with 2 fingers to open it – Video

Level 8.2 – Where is the mother hen again?

Answer: Zoom out the screen to find her – Video

Level 8.3 – It’s your turn. You must win this game!

Answer: Use 2 fingers to fill 2 ‘o’ at the same time – Video

Level 8.4 – Which one the following strong man can not lift?

Answer: The answer is strong man, tap on him – Video

Level 8.5 – Continue to watch the live match

Answer: Drag the mouse arrow-style cursor in the top right corner of the TV to the play button – Video

Level 8.6 – Make the equation become true

Answer: Drag number 5 out of the screen – Video

Level 8.7 – What do you think is the temperature of your body now?

Answer: Press and hold your finger on the base of the thermometer for a while to find out – Video

Level 8.8 – The monkey wants to eat banana again!

Answer: Zoom in on the monkey to make him bigger – Video

Level 8.9 – Which 2 numbers can make up 8?

Answer: Choose number 0 twice – Video

Level 9.0 – Please help dry the dress quicker

Answer: Pick up the dress and swipe it around until it dries – Video

Level 9.1 – Please find the way to the destination

Answer: Go around the outside to go to the destination – Video

Level 9.2 – Please jump higher than the 200cm point

Answer: Swipe down the measurement scale to get to the 200cm mark before jumping – Video

Level 9.3 – Help the car go to the end of the street

Answer: Drag the cloud out of the sun to to make melt the ice and then tap on the car – Video

Level 9.4 – Whose phone is this?

Answer: Use your finger to try the fingerprint identification – Video

Level 9.5 – Create the biggest number

Answer: Drag the two numbers 0 to the answer box to create infinity ‘∞’ – Video

Level 9.6 – I can’t stand this mess

Answer: Erase the wrong paint on the well by your finger – Video

Level 9.8 – Wake up the owl

Answer: Drag the sun out of the screen – Video

Level 9.9 – Help the yellow dog to win

Answer: Drag the dog to the car to exchange vehicles – Video

Level 10.1 – Create the smallest number

Answer: Swipe up the first sign ‘-‘ and make the answer become -888 – Video

Level 10.2 – We need a paper to write something

Answer: Tap and hold on the paper clip and swipe down on the paper – Video

Level 10.3 – Make the equation work

Answer: Drag the top half of the 8 over the blank space to make it 0+0=0 – Video

Level 10.4 – Please mix 2 liquid together

Answer: Tap and hold the mouth of the tube and shake your device – Video

Level 10.5 – Please help me find my watch

Answer: Zoom out the screen to find – Video

Level 10.6 – What is the direction of the light from the torch?

Answer: The answer is All wrong because the flashlight is turned off – Video

Level 10.7 – Make the equation work

Answer: Use your fingers to cover numbers 3 and 5 – Video

Lavel 10.8 – Which one is different?

Answer: The last one is in the lower right corner of the screen is different because it’s counterclockwise – Video

Level 10.9 – What is the answer?

Answer: 5 minus 2 = 3, 5 plus 2 = 7. Thus 5+2=37. Similarly: 9 minus 2 = 7, 9 plus 2 = 11. The answer is 711 – Video

Level 11.0 – Help the car go to the end of the street

Answer: Tilt the road down – Video

Level 11.2 – Turn the light on

Answer: Charge your phone to turn the light on – Video

Level 11.3 – Solve this equation

Answer: Drag _ from number 1 to ? and make it become 2 – Video

Level 11.4 – There are 6 floors in a building, 3 people live on the first floor, 2 people live on each following floor. Which floor does the elevator go to the most frequently?

Answer: The answer is 1 – Video

Level 11.5 – One candle is 40cm high and can light for 4 hours. Another one is 80cm high and can light for 7 hours. How many hours does it take for the two candles to reach the same height

Answer: The answer is 7 – Video

Level 11.6 – What is the value of x?

Answer: 8 = 2 holes, 6 = 1 hole, 9 = 1 hole. So 8699 = 5 holes. The answer is 5 – Video

Level 11.7 – A snail gets into the line. There are 3 people ahead and 4 behind it. How many snails are there in the line?

Answer: There is only 1 snail on the line so the answer is 1 – Video

Level 11.8 – What is 50% of 88?

Answer: The answer is 8 – Video

Level 11.9 – Put the elephant into the fridge again!

Answer: Zoom out to make the elephant smaller before put on the fridge – Video

Level 12.0 – Can you solve this?

Answer: The answer is the number of intersections in the figure. The answer is 4 – Video

Level 12.1 – A family has 6 boys, each boy has a sister. How many children does that family have?”;
Answer: One sister for all 6 boys so that family have 7 children – Video

Level 12.3 – Take everything out of the box!

Answer: Put the word ‘everything’ from the question to the box and then put your device upside down to take it out – Video

Level 12.4 – Help this rabbit fall sleep

Answer: Cover his ears by your fingers to block the sound – Video

Level 12.5 – Find the pig that is different from other pigs

Answer: Rotate your device to the right landscape direction you will see a different pig – Video

Level 12.6 – Press and hold the screen for 3 seconds

Answer: Press and hold the word ‘screen’ in the question – Video

Level 12.7 – What is the secret account number?

Answer: Put the phone face down to see. The secret numbers is 25251325 – Video

Level 12.8 – The monkey is locked. Help him out!

Answer: Turn your device upside down to find the key and use it to open the door – Video

Level 12.9 – Please help get the letter from the envelop

Answer: Press and hold the envelop, then put the phone in right landscape position to pour the letter out – Video

Level 13.0 – Let’s count how many oranges?

Answer: Shake your device to make all oranges fall down and count. The answer is 9 – Video

Level 13.1 – Create an earthquake with the magnitude of 7 and above

Answer: Shake your device 3 times to make an earthquake – Video

Level 13.2 – Which is the farthest from us?

Answer: Pineapple is farthest from the word ‘us’ in the question – Video

Level 13.3 – We want to hide the elephant so that no one can see it

Answer: Put the phone face down to hide it – Video

Level 13.4 – It takes 5 minutes to boil an egg. How many minutes does it take to boil 3 eggs?

Answer: We can boil them together so the answer is 5 minutes – Video

Level 13.5 – Find an empty container

Answer: Turn your device upside down and tap on the empty glass – Video

Level 13.6 – Which pool will fill up first?

Answer: The answer is number 2 because there is no hole between pool 2 and pool 3 – Video

Level 13.7 – You want to win this game again!

Answer: Drag the ‘o’ in the question to the game board and one more tap make it to create a column with 3 ‘o’ – Video

Level 13.8 – Who lives the longest on earth?

Answer: Tap on the word ‘earth’ in the question – Video

Level 14.0 – The monkey wants banana one more time

Answer: Drag the ‘question title’ under the monkey so that it can lift the monkey up – Video

Level 14.1 – Which bucket has water?

Answer: Turn your device upside down to find. The first bucket on the left has water – Video

Level 14.2 – Find the answer 

Answer: The answer is 6 – Video

Level 14.3 – This hamburger wants some ketchup on it

Answer: Rotate the ketchup bottle to the right and shake the device – Video

Level 14.4 – Drive the car to the parking sign once again

Answer: Tap a few times on the rock to destroy it before driving – Video

Level 14.5 – Which bottle contains soda?

Answer: Hold bottles and shake them to find out – Video

Level 14.6 – Open the safe

Answer: Place your finger on the fingerprint sensor for a while to open it – Video

Level 14.7 – Tap numbers the following order

Answer: Number 15 doesn’t belong to the question title, it is a number that is needed to be tapped on the screen – Video

Level 14.8 – Choose 2 same ones

Answer: Please tap on the same image twice because all of them are different – Video

Level 14.9 – Please help get the toy out of the bottle

Answer: Zoom out to make the toy smaller, then put the phone upside down to take it out – Video

Level 15.0 – Where is the mother hen? 

Answer: Move the screen to the right to find her – Video

Level 15.1 – Help the guy get her notice

Answer: Grab her purse and give it to the guy – Video

Level 15.2 – Charge it

Answer: Charge your phone to pass this question – Video

Level 15.3 – What is the secret? 

Answer: Increase the volume of your phone to find out – Video

Level 15.4 – How many bowls are there on the table

Answer: There is no table so have no bowl on the table. The answer is 0 – Video

Level 15.5 – Tom overslept again. Please help wake him up

Answer: Swipe the door to the right to open the door and let his girlfriend come in and wake him up – Video

Level 15.6 – Help the chick get out!

Answer: There is enough space on the left for the chick to get out, move it to the left side – Video

Level 15.7 – Level Please keep silence!

Answer: Turn the volume of your phone down – Video

Level 15.8 – Please correct the direction

Answer: Rotate your device to the right landscape direction to make it right – Video

Level 15.9 – This guy needs some exercise

Answer: Tap on him multiple times to help him exercise – Video

Level 16.0 – Wake up the owl

Answer: Move the sun out of the screen Video

Level 16.1 – Open the safe again

Answer: Place your finger on the fingerprint sensor for a while to open it – Video

Level 16.2 – Please put the elephant to the fridge!

Answer: Drag the word ‘elephant’ to the fridge – Video

Level 16.3 – For example, you have 5 pineapples. You ate 3 of them. The question is: currently how many pineapples are in your hand?

Answer: There are no pineapple on your hand so the answer is 0 – Video

Level 16.4 – Do not tap

Answer: Do not tap immediately, wait for around 20 seconds until the command changes, then tap on the button – Video

Level 16.5 – Press 1000

Answer: Move the button to see the number 1000 underneath and press on it – Video

Level 16.6 – Turn the light off

Answer: Take your phone out of the charge to turn the light off – Video

Level 16.7 – Please put the shapes in the fitting positions

Answer: Put the yellow rectangle into the first frame on the right – Video

Level 16.8 – Grill the fish for the cat

Answer: Drag the fish into the fire for a short amount of time so that it doesn’t burn, then drag it outside of the fire for the cat – Video

Level 16.9 – Which ballon is strongest?

Answer: Drag the skip question button (‘>>’) in the top of the screen to all the balloons to pop them, except one balloon that won’t pop is the strongest – Video

Level 17.0 – Help this guy see better

Answer: Tap on his pocket to take out a handkerchief and use it to clean his glasses to help him see clearer – Video

Level 17.1 – The monkey is locked. Help him out again!

Answer: Drag the key in the top right of the screen to open the door – Video

Level 17.2 – What is the answer?

Answer: 13+125=138, 15+28=43. So 106-16=? The answer is 90 – Video

Level 17.3 – How many bees?

Answer: Take the screenshot and count. The answer is 12 – Video

Level 17.4 – Please help the baby fall a sleep

Answer: Hold your device then swing your device gently to make the baby fall asleep – Video

Level 17.5 – Please make this equation become true

Answer: 13 + 17 + 5 = 35 – Video

Level 17.6 – Make the biggest number by moving just 1 match

Answer: The answer is 965 – Video

Level 17.7 – Find the stars

Answer: Shake your phone 2 times to make them dizzy to find the stars – Video

Level 17.8 – What times is it?

Answer: Enter the real system time – Video

Level 17.9 – Find the answer

Answer: The answer is 54326 – Video

Level 18.0 – Please make the balance balanced

Answer: Take both out of the balance – Video

Level 18.1 – Please help us find a circle

Answer: Tap on the small circle in the end of the question – Video

Level 18.2 – If you can move 1 match, what is the biggest number you can make?

Answer: The answer is 909 – Video

Level 18.3 – What is the number of minimum cuts to cut a circle into 8 equal parts

Answer: Fold the circle before cut it so you need just 1 cut – Video

Level 18.4 – Where is USA?

Answer: Tap the word ‘USA’ in the question – Video

Level 18.5 – Which pot is hotter? 

Answer: Use 3 fingers to touch on 3 pots to test the hotness, the blue pot will be ‘HOT’, tap on it – Video

Level 18.6 – Tap on the food you can eat

Answer: Tap on 3 edible items on the screen at the same time – Video

Level 18.7 – What can be held by the right hand and never can be held by the left hand?

Answer: Tap the word ‘left hand’ in the question – Video

Level 18.8 – Please count his hairs again

Answer: There are hairs on the back of his head also. Swipe on his face. The answer is 16 – Video

Level 18.9 – Please leave me alone for a while

Answer: Close the game to leave her alone and then go back – Video

Level 19.0 – The noise make this little cow can’t sleep. Please help him!

Answer: Decrease the volume of your phone to help the cow be able to sleep – Video

Level 19.1 – The pretty girl is going to change. Please don’t let anyone see her

Answer: Put the phone face down so no one can see her going to change – Video

Level 19.2 – If you can move 2 matches, what is the biggest number you can make?

Answer: The answer is 51181 – Video

Level 19.3 – That boy wants to drink the juice at the bottom of the glass. Please help him

Answer: Drag the bottom part of the juice to his mouth – Video

Level 19.4 – Write the correct answer!

Answer: 5 + 6 = 11. The answer is 11 – Video

Level 19.5 – Please make this equation become true

Answer: Turn your device upside down to see. Now it become 11 = 6 + 5 – Video

Level 19.6 – Please show your patience

Answer: Don’t touch anything and wait about 20 seconds – Video

Level 19.7 – Help both of them have a cake for each

Answer: Long press on the cake to copy, and then long press on the placeholder of the cake to paste – Video

Level 19.8 – Mom and girl friend fell into water. Which one do you save first?

Answer: Tap both of them at the same time to save both – Video

Level 19.9 – Turn off the light again

Answer: Move the screen to find the switch to turn it off – Video

Level 20.0 – Make the smallest number by moving 2 matches

Answer: The answer is 38 – Video

Level 20.1 – The monkey can pick 2 pineapples per minute. With 8 minutes, how many pineapples on the tree can he pick?

Answer: Pineapple don’t grow on the tree so the answer is 0 – Video

Level 20.2 – How manny squares are there?

Answer: Drag them apart to see the real number of squares. The answer is 3 – Video

Level 20.3 – Solve this problem

Answer: Drag the bird to the ‘?’ symbol – Video

Level 20.4 – Please make this equation become true

Answer: You should move the number 20 out first and put 13+17+5 – Video

Level 20.5 – Open the safe again

Answer: Drag the key in the top right of the screen to the lock to open the face – Video

Level 20.6 – How do you get the same amount of wine in each glass

Answer: Turn the phone upside down to dump the wine out of all six glasses, making them the same – Video

Level 20.7 – Mom and girl friend fell into water. Which one do you save first?

Answer: It’s just a dream. Shake your device to wake him up – Video

Level 20.8 – Please find something you can eat

Answer: Drag the sun to the cloud to create an omelet – Video

Level 20.9 – Open the tablet, please!

Answer: Tap on the ‘Home’ button of the tablet to open it – Video

Level 21.0 How many chicks?

Answer: One of them is duck. So the answer is 11 – Video

Level 21.1 – There is a girl who is lost. Can you help find her?

Answer: Turn the device to the left landscape orientation and drag the cloud out to reveal the girl – Video

Level 21.2 – How many holes in this shirt?

Answer: The answer is 4 – Video

Level 21.3 – When I was 6, my brother was twice my age. Now I am 10, how old is my brother?

Answer: The answer is 16 – Video

Level 21.4 – A carrot & an apple together cost $1.1. The carrot alone is $1 cheaper than the apple. What is the price of the carrot?

Answer: A carrot costs $0.05 – Video

Level 21.5 – Write the answer!

Answer: It’s binary numbers. The answer is 10 – Video

Level 21.6 – If 4 hens lay 4 eggs in 4 days. How many hens do you need to lay 75 eggs in 100 days?

Answer: 1 hen lays 0.25 egg/day. If you want to lay 0.75 egg per day you need 3 hens – Video

Level 21.7 – Solve the question

Answer: The crab is upside down, so 2 + 9 = 11 – Video

Level 21.8 – Find x?

Answer: 4+5+7)/2 = 8 – Video

Level 21.9 – Which the shape has the most side

Answer: Tap on the circle – Video

Level 22.0 – How many triangles are in this shape?

Answer: The answer is 11 – Video

Level 22.1 – What is the value of x?

Answer: Take the top number to subtract the left number, and then multiply by the right number: (8-6)*3=6 – Video

Level 22.2 – Calculate the price

Answer: There are only 9 grapes in the last row in the question! So the answer is 17 – Video

Level 22.3 – 1kg of fish and shrimp together cost $125. The price of shrimp costs $47 more than the price of the fish. How much does the fish cost?

Answer: (125-47)/2 = 39 – Video

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