Can you count the number of lines in the below picture?

Find three numbers such that

* When we multiply three numbers, we will get the prime numbers.
* The difference between the second and the first number is equal to the third and second.

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?

How can you write nineteen in a manner that if we take out one, it becomes twenty?

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

I throw two dice simultaneously.

What is the probability of getting a sum as 9 of the two numbers shown?

Create a number using only the digits 4,4,3,3,2,2,1 and 1. So i can only be eight digits. You have to make sure the ones are separated by one digit, the twos are separated by two digits the threes are separated with three digits and the fours are separated by four digits

What number when divided in half becomes zero?

This puzzle is for Harry Potter fans. Do you know why Tom Riddle is called Lord Voldemort?

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?