How many pluses should we put between the digits of 987654321 to get a total of 99, and where?

Replace the question mark with the correct number.

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?

What is 3/7 chicken, 2/3 cat and 2/4 goat?

A brand new Mobile Phone was on sale at 20% as a promotional offer. By what per cent must the Mobile price be increased to sell it at the original price again?

In the attached figure, you can see a chessboard and two rooks placed on the chess board. What you have to find is the number of squares that do not contain the rooks. How many are there?

Find The Next Number in the series:

12 13 15 17 111 113 117 119 123 ?

They do not possess flesh or feathers or scales or bone
But still, they are blessed with fingers and thumbs of their own.

In a jungle where there are no street lights or any other artificial source of lights, I notice a black snake crossing the road.
How did I get sight of the snake?

What do you think with the below Picture ?