O_er_t_o_

Complete the missing letters of the given word.

I was born in a small house and I live in it all alone. No windows and no doors have been assigned to my house. The only way I can go out is by breaking through the walls of my house.

Who am I?

Jack have ten pairs of black socks, eight pairs of white socks and seven pairs of green socks. Everything is mixed in a draw. As there is no light he were not able to identify the colour of the socks. How many of the socks did he want to take to match one pair

Solve the following series:
AZ, GT, MN, __, YB

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

Decode below three cipher riddles:

26 L of the A
7 D of the W
1000 Y in a M

1. What does:
TIM JOB
represent?

2. What does:
MO_ _
represent?

I am not alive, but I grow; I don't have lungs, but I need air; I don't have a mouth, but water kills me. What am I?

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 ?

Speaking of rivers, a man calls his dog from the opposite side of the river. The dog crosses the river without getting wet, and without using a bridge or boat. How?