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?

A boy was locked in a room by some robbers. All that is in the room is a piano, a calendar, and a bed. The room is locked from the outside. What does he eat, drink, and how does he escape and get out?

What four weights can be used to balance from 1 to 30 pounds?

Find the number of squares in the below-given picture.

What is the Surname of Barbie Doll?

Three people are in a room. Ronni looks at the Nile. The Nile looks at Senthil. Ronni is married but Senthil is not married. At any point, is a married person looking at an unmarried person? Yes, No or Cannot be determined.

Find the hidden tiger in the given optical illusion ?

I cannot talk, but I always reply when spoken to. What am I?

What has lots of eyes, but can’t see?

What's a single-digit number with no value?