A rubber ball keeps on bouncing back to 2/3 of the height from which it is dropped. Can you calculate the fraction of its original height that the ball will bounce after it is dropped and it has bounced four times without any hindrance ?

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

Find the value of "?" in the ball picture Riddle below:

Can you solve below mathematical equation?

2^1234 - 2^1233

Replace each alphabet with the number (1-9) to make the below equation correct.

AB * C = DE - F = GH / I

If one and a half boys, eat one and a half burgers in one and a half hours.

How many burgers can 9 boys eat in 3 hours?

Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?

The square root of number 121 is "11". What is the square root of the number "12345678987654321."?

A Shopkeeper collects 71 rupees in the form of 20 paisa and 25 paisa.
He collects a total of 324 coins.

Can you tell me how many number of 20-paisa and 25-paisa he got?

Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?