Only one colour, 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?

What brings you down but never up?

What you cannot hold but it is yours?

There are 2 sand hourglasses.

The small one can measure 5 hours and the large one can measure 7 hours.

How can we measure 16 hours with 2 sand hourglasses running together ?

You are on a Boat in the mid of a river. You have two cigarettes with you. One of these two you have to light, how will you light the cigarette?

What time is it when an elephant sits on a fence?

A tree doubled in height each year until it reached its maximum height over the course of ten years. How many years did it take for the tree to reach half its maximum height?

Can you find the 09 errors in the picture below?

Can you find out the smallest number that can be conveyed as the sum of three squares in three unique ways?

Complete the series by replacing "?" with the correct number.

ST ND RD TH '?'