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?

Find the next number in the series

12, 20, 40, 72, 116, 172 ?

Why do we preferably have round manhole covers and not square ones?

How is a fly different from a mosquito?

Quickly Solve this riddle

7 - 4 + 3 * 0 + 1 = ?

Give it food and it will live; give it water and it will die.

The barber of Town shaves all men living in the town. No man living in the town is allowed to shave himself. The barber lives in that town. Who then shaves the barber of the town?

Can you identify if it's a murder or a suicide ?

There was a blind man. He had four socks in his drawer either black or white. He opened it and took out two socks. Now the probability that it was a pair of white socks is 1/2.

Can you find out the probability that he had taken out a pair of black socks ?

Complete the following series. It.s very logical:

1, 4, 5, 6, 7, 9, 11, __?