There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?

Find The Next Number in this series.
1, 2, 6, 42, 1806 ?

What has one letter and starts with an E?

Replace the 'X' with any mathematical symbol to make the expression equal to 111.

18 X 12 X 2 X 3 = 111

Can you think of any three-dimensional shape that comprises of exactly two surfaces?

A few friends are enjoying their sea voyage in a boat full of apples. On the way, they felt hungry and thus decided to eat the apples. Together, they ate two dozen of apples. When they have eaten the apples, will there be any change in the water level?

What jumps when it walks and sits when it stands?

Find the next number in the following series:
6, 14, 26, 98, __?

Considering the below equation:

V + II - VI = 10
IV - X + VIII = 20
IV - VII + VI = 30

Then, I + II + III = ?

Which Travels Faster? Solve below famous picture riddle: