A seven-year-old kid challenged his classmates that he can make the number one disappear by adding something to it.

How can he do that?

There was a blind man. He had four socks in his drawer either black or white. He opened it and took out two socks. Now the probability that it was a pair of white socks is 1/2.

Can you find out the probability that he had taken out a pair of black socks ?

John is the son of Jacob.
So,
Jacob is the_____of John's father?

In the image below, can you find the value of an angle(y)

You have a three-gallon and a five-gallon measuring device. You wish to measure out four gallons.

Spot the cat in the picture below

81 x 9 = 801. What must you do to make the this equation true?

Spelt forwards I’m what you do every day, spelled backwards I’m something you hate. What am I?

Before the start of the car race, John and Jacob have the same amount of fuel in their car. With this fuel, John can drive for 4 hours while Jacob can drive five hours.
After a time they realize that the amount of fuel left in John's car is 1/4th of the fuel in Jacob's.

For how long they are racing?

Can you write down eight eights so that they add up to one thousand?