In the picture that is attached with this question, you can find a square which comprises of four little squares inside it. Consider this square to be made with matchsticks. You have to remove two matchsticks such that only two squares remain instead of five.How will you do it ?

Krish is 45 years old and his mother Crishtina is 73 years old.

Can you find out how many years ago, his mother was three times his age?

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

When is the top of a mountain similar to a savings account?

What goes up but never comes down?

What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?

Can you find the largest Three-digit number whose sum is 14 and whose square is less than 5,00,000?

A man plots the murder of his wife. His plan is full proof. Nobody saw them leaving their house. He stabbed her with a knife while driving. She died on the spot. He threw her body in a valley. He threw the knife carefully wiping his finger prints on a random garbage bin. Then he went back to his home and no one was watching him this time as well.

After an hour, he was called by the local police department who informed him that his wife was murdered. They asked him to reach the scene of crime immediately. But as soon as he arrived at the crime scene, he was arrested by them.

How did the police know that he himself is the murderer?

Replace the question mark with the correct number below.

What can go up a chimney down, but can’t go down a chimney up?