Complete the following series. It.s very logical:

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

There was a competition where the contestants had to hold something. At the end of the event, the winner was a person who had no hands or feet. What was it that the contestants had to hold?

It's a test that will check your IQ.

Suppose you have one 11 minute hourglass and one 13 minute hourglass.

Can you measure exactly fifteen minutes using them ?

What does this rebus mean?

O
N
C
E
TIME

How can you drop a raw egg from a height onto a concrete floor without cracking it?

In The 1st month of this year(the year 2013), I noticed that the date 13-1-13 (13 January 2013) is special.

This date is special as:

Date * Month = Year.

Can you figure out which year of this century has a maximum number of such dates?

Can you find out which options fits best with the missing column?

81 x 9 = 801. What must you do to make the this equation true?

Why Aeroplane windows are round?

What number should come in place of the question mark below?