Take 9 from 6, 10 from 9, 50 from 40, and leave 6.

How Come ??

You need to pick one entry from pot A and one from pot B to have a perfect match. Can you do it?

Transform the word THINK into BRAIN while changing only one letter at a time in a manner that each of the word in the process is a real word!!!

A professor thinks of two consecutive numbers between 1 and 10.
'A' knows the 1st number and 'B' knows the second number

A: I do not know your number.
B: Nor do I know your number.
A: Now I know.

What are the four solutions for this?

What is the longest word in the dictionary?

This is a most unusual paragraph. How quickly can you find out what is so unusual about it? It looks so ordinary, you'd think nothing was wrong with it. Actually, nothing IS wrong with it. But it is not as ordinary as you might think. If you think about it for a bit, you will find out why it is truly so unusual. So what is it? What is so unordinary about this paragraph?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

What is the coolest letter in the alphabet?

A number can be multiplied by multiple of nine
i.e 9 18 27 36 45 ...

and the resulting number consist of only one digit.

Can you identify the number ?

Complete the following series. It.s very logical:

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