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?

By moving exactly three matchsticks can you make the below equation true.It can be solved by 3 ways.

What is the below Rebus indicate?

What is the next number in this matchsticks series riddle?

Find the combined weight of the Cat, Dog and Rabbit in the given picture.

Divide 110 into two parts so that one will be 150 per cent of the other. What are the 2 numbers?

Which tank will fill first?

In the city of Brain Teasers, 5% of people do not list their phone numbers. Now if we select random 100 people from the phone directory, then how many people selected will have unlisted phone numbers?

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 ?

You stand in front of two doors. A guard stands next to each door. You know the following things: one path leads to paradise, the other leads to death. You cannot distinguish between the two doors. You also know that one of the two guards always tells the truth and the other always lies. You have permission to ask one guard one question to discover which door leads to paradise. What one question would you ask to guarantee you enter the door to paradise?