I have a clock(12-hour format) and both the needles of the clock overlap at 12:00.
After how much time, they will overlap again?

Why 1729 is a magic number? Answer Logically.

A man and a dog were going down the street. The man rode, yet walked. What was the dog’s name?

They came out at night, without being called.
They lost at day, without being stolen.
Who are they?

When my father was 31 I was 8. Now he is twice as old as me. How old am I?

If,

A = 1

B = 2

C = 3

...

...

Z = 26.

Based on above rule, you need to find an eleven letter word whose letter sum is equal to 52.

When I get multiplied by any number, the sum of the figures in the product is always me. What am I?

Count The number of F's in the paragraph below:

"FINISHED FILES ARE THE RESULT OF YEARS OF SCIENTIFIC STUDY COMBINED WITH THE EXPERIENCE OF YEARS"

What is the riddle which can be asked all day with a different correct answer each time.

You knock a Table over in the library, and suddenly 20 eyes are looking at you.