Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?

John buys rice at Rs.60/kg from Britain and then sells them at Rs.5/kg in India. As a result of this, he becomes a millionaire. How come?

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?

Take away the whole and some still remain. What is it?

You order chicken wings at KFC in the boxes of 6, 9 and 20. What is the largest number of wings that you cannot obtain by buying in any combination of the boxes?

What's the next in the series?

H, Be, F, S, Mn, Kr, In, Gd, Tl, ?

My cousin lives in one story house in Antarctica. His house is made the of-of sandstone. what is the color of stairs?

Forwards I am heavy, backward I am not. What am I?

What will be the best approach to finding all the prime numbers less than 75 that leave an odd reminder when we divide them with 5?

A large container is kept in open under the rain. Every passing hour, the water collected inside the container becomes double what it was.

In ten hours, the container is filled completely. Can you calculate how long would it have taken to be filled in half?