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?

I’m orange, I wear a green hat and I sound like a parrot. What am I?

What jumps when it walks and sits when it stands?

10 people came into a hotel with 9 rooms and each guest wanted his own room. The bellboy solved this problem.
He asked the tenth guest to wait for a little with the first guest in room number 1. So in the first room, there were two people. The bellboy took the third guest to room number 2, the fourth to number 3, ..., and the ninth guest to room number 8. Then he returned to room number 1 and took the tenth guest to room number 9, still vacant.
How can everybody have his own room?

Can you convert the number zero(0) into a positive number using just one mathematical operator ?

There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes

How can a man go eight days without sleep?

I have a big mouth and I am also quite loud! I am NOT a gossip but I do get involved with everyone's dirty business.

Which number comes next in the number series?

2, 9, 30, 93, ?

Through your logical capabilities, can you make 7 an even?