Two in a corner, one in a room, zero in a house, but one in a shelter. What is it?

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?

You see a mathematical expression in the picture. Can you think of a movie that this expression refers to?

There was a blind man. He had four socks in his drawer either black or white. He opened it and took out two socks. Now the probability that it was a pair of white socks is 1/2.

Can you find out the probability that he had taken out a pair of black socks ?

Count the Triangle in the figure given below:

There are nine letters in the below-given diagram. You have to form a nine-letter word using these letters.

What does below rebus means ?

There is a brick of gold and a brick of iron in a boat (both 10-inch blocks), if they are both dropped into the water which will make the water level higher?

You can hear me, but you can't touch or see me.

What am I?

Which number should replace the question mark?