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?

I am the fastest animal but cannot climb the tree. What am I?

What does the following BrainBat signifies?

ABCDEFGHIJKLMNOPQRSTUVWYZ

QQQQQQQQQQQQQQQQQQQQQQQQQ.

I am white when I am dirty, and black when I am clean. What am I?

I am beautiful, up in the sky. I am magical, yet I cannot fly. To people I bring luck, and to some people, riches. The boy at my end does whatever he wishes. What am I?

Which point will the car reach to go out?

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

What breaks yet never falls, and what falls yet never breaks?

What word begins and ends with an E, but has only one letter?

A new Engineering building containing 100 offices had just been completed. John was hired to paint the numbers 1 to 100 on the doors. How many times will John have to paint the number nine (9)?