A girl has as many brothers as sisters, but each brother has only half as many brothers as sisters. How many brothers and sisters are there in the family?

Imagine you are in a room with no windows or doors. How will you get out?

If you're 8 feet away from a door and with each move you advance half the distance to the door. How many moves will it take to reach the door?

Complete the following series. It.s very logical:

1, 4, 5, 6, 7, 9, 11, __?

When I get multiplied by any number, the sum of the figures in the product is always me. What am I?

Prove that twice of ten is the same as twice of eleven.

Which country gets ill every time?

Solve the puzzle by telling what does below picture means.

Below, you will find the mathematical proof that 10 equals 9.99999?. But is that possible or there is something wrong about it? Can you find the error?

x = 9.999999...
10x = 99.999999...
10x - x = 90
9x = 90
x = 10

A California farmer owns a beautiful pear tree. He supplies the fruit to a nearby grocery store. The store owner calls the farmer to see how much fruit is available for him to buy. The farmer knows the main trunk has 24 branches. Each branch has exactly 12 boughs and each bough has exactly 6 twigs. Since each twig bears one piece of fruit, how many plums will the farmer be able to deliver?