Count the number of lines in the image below ?

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

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 can see it everyday, But cannot touch it at will. What is it?

What do you get if you add 2 to 100 four times?

Which digit occurred maximum times between the number 1 and 1000?

Ten coins have been arranged as you can see in the given picture. In this arrangement, a triangle is formed pointing upwards. You have to invert the position of the triangle and make it point downwards while changing the position of 3 coins only. Can you do it?

A chess tournament is taking place on knock-out terms (the one who loses the match is out of the game).
(a) If 10 matches are played in total, how many players participated?
(b) If 20 players took part in the tournament, how many matches were played?

Which tank will fill first?

There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?