When monkey rotate the gear, which mark will be hit 1 or 2 ?

If,

A = 1

B = 2

C = 3

...

...

Z = 26.

Based on above rule, you need to find an eleven letter word whose letter sum is equal to 52.

What is the next number in this matchsticks series riddle?

If "P" means "-", "Q" means "/", "R" means "+", and "S" means "*" then find the value of the following:

21 Q 7 R 9 S 10 P 13

What is always in front of you but can’t be seen?

What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C

By moving exactly three matchsticks can you make the below equation true.It can be solved by 3 ways.

It belongs to you, but other people use it more than you do. What is it?

2, 3, 5, 9, 17, _ What is the next number in the sequence?

Keyboard words are not in alphabetical order, Why?