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?

What has lots of eyes, but can’t see?

Solve the equation in the image by looking at the pattern closely.

You walk into a creepy house by yourself. There is no electricity, plumbing, or ventilation. Inside you notice 3 doors with numbers on them. Once you open the doors you will die a particular way. Door No.1 You’ll be eaten by a lion who is hungry. Door No.2 You’ll be stabbed to death. Door No.3 There is an electric chair waiting for you. Which door do you pick?

There is a unique number which when multiplied by any number from 1 to 6, we will get the new number that contains the same digits only.

Can you find that number?

What is the Surname of Barbie Doll?

Make eight squares by moving only two matchsticks.
Note- Square can be of different sizes.

What's the best place to go shopping in the ocean?

If six children and two dogs were under an umbrella, how come none of them got wet?

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?