A chicken farmer has figured out that a hen and a half can lay an egg and a half in a day and a half. How many hens does the farmer need to produce one dozen eggs in six days?

John was a very careless driver, so his owner Jacob gave him an offer that he will get an incentive of Rs.30 for every bottle box he delivered without breaking it and he will be charged Rs.90 for every bottle box he broke. Jacob gave John 100 bottles-box to deliver. After delivery, Jacob paid John Rs.2400. How many bottles-box did John break?

Which is heavier: a ton of bricks or a ton of feathers?

What is the centre of gravity?

What can you serve, but never eat?

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.

Find The Missing Number In the Sequence.
6 25 64 ? 32 1

What is the coolest letter in the alphabet?

Can you find out the smallest number that can be conveyed as the sum of three squares in three unique ways?

I never stop running even when I standstill. If I am formed by joining two identical bodies together, can you guess who I am?