Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

Replace the question mark with the correct number below.

On one occasion, A Boy collects 71 rupees in form of 20 paise and 25 paise. He collects a total of 324 coins.

Can you tell me how many 20-paisa and 25-paisa he got?

Whats the next number in the below number sequence pattern.

Replace the question mark with the correct number.

Eight of us go fourth, not back, to protect our king from an attack. What are we?

I have some blue and red sock in my drawer. I have a total of 4 socks. I pick 2 socks and the chance that I get a pair of red socks is 1/2.

What is the chance of picking a pair of blue socks?

The day after tomorrow will be three days before Tuesday. Can you find out what is today?

A man stands on one side of a river, his dog on the other. The man calls his dog, who immediately crosses the river without getting wet and without using a bridge or a boat. How did the dog do it?

Solve the below puzzle by replacing the question mark with the correct number.

3 6 12

4 8 16

5 10 ?