Only one color, but not one size,
Stuck at the bottom, yet easily flies.
Present in sun, but not in rain,
Doing no harm, and feeling no pain.
What is it?

How can a man go eight days without sleep?

Find out a multi-digit number that if multiplied by the number 9 or any of its multiplications products (i.e. 18, 27, 36, 45,..) will result in the multiplication factor repeated (n) number of times.

Which country gets ill every time?

What does this rebus means ?

When monkey rotate the gear, which mark will be hit 1 or 2 ?

Replace the question mark with the correct number, given the pair of numbers exhibits a similar relationship?

? : 3839 :: 11 : 1209

How many bananas can you eat if your stomach is empty?

Which number should replace the question mark?

In a stable, there are men and horses. In all, there are 22 heads and 72 feet. How many men and how many horses are in the stable