Irene killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

How much will a 38° angle measure when looked at under a microscope that magnifies ten times?

John was born on March 5, 1970, in Delhi, India. Jacob was born 25 days before John. The year when they took birth, Republic Day fell on Monday.

Can you find out on what day was Jacob born?

Which number should replace the question mark?

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?

A donkey is behind another donkey
I'm behind that second donkey
But there is a whole nation behind me

It is a murder you can describe in a word.

No one wants to have it, but if one got it, he does not want to lose it. What is It?

Can you Find and name the hidden bird in the picture below ?

What does a man do only once in his lifetime, but women do once a year after they are 29?

There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?