Can you count the number of matches in the picture below ?

The answer I give is yes, but what I mean is no. What was the question?

We have four gears with below features=> Both Gear A and D has 60 teeth=> Gear B has 40 teeth=> Gear C has 20 teeth=> Every two minutes, Gear B makes 25 full turns.What is the relative speed of Gear A and Gear B?

Replace the question mark with the correct number.

A bomb exploded in a room full of married couples and no one died. How?

Count the number of squares in the picture below.

Here is a conversation between a couple who both are software professionals.

Husband: Hey! What is your date of birth?
Wife Replied Angrily: It is 591062400
Husband after doing some calculations replied, "Got It".

What is the DOB of the wife?

Place a mathematical symbol between the numerals 5 and 9 in such a way that the resulting number is greater than 5 but smaller than 9.

How many minutes are there in Feb 2017?

Note: The shortest answer is the correct answer.

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