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

Our product and our sum always give the same answer. Who are we?

A rain drop fell from one leaf to another leaf and lost 1/4th of its volume. It then fell to another leaf and lost 1/5th of the volume. It again fell on another leaf and lost 1/5th of the volume.



This process kept repeating till it fell on the last leaf losing 1/75th of its volume.



Can you calculate the total percentage of loss from the initial volume when the drop has fallen to the last leaf accurate up to two decimal places?

Can you find the largest Three-digit number whose sum is 14 and whose square is less than 5,00,000?

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?

Rectify the following equality 101 - 102 = 1 by moving just one digit.

A 3 digit number is such that it's unit digit is equal to the product of the other two digits which are prime. Also, the difference between it's reverse and itself is 396.

What is the sum of the three digits?

There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

What is the largest number you can write with just 3 digits?