Can you spot the hidden girl in the picture below?

You are on a Boat in the mid of a river. You have two cigarettes with you. One of these two you have to light, how will you light the cigarette?

What does this mathematical rebus means ?

You have a thousand Re. 1 coins with you. You have ten bags with you and you can put any number of coins in each of the bags. The condition is that if someone asks you for any amount between 1 and 1000, you must be able to give that amount by just giving the bag (you are not allowed to open the bag and give coins).

How will you do it?

Can you count the number of seconds in a year?

Clue: You need to bother about calculation.

I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?

I know a ten-letter word in the English language which can be typed using only the top rows of the computer keyboard.

Prove that twice of ten is the same as twice of eleven.

In the picture that is attached with this question, you can find a square which comprises of four little squares inside it. Consider this square to be made with matchsticks. You have to remove two matchsticks such that only two squares remain instead of five.How will you do it ?

Which number comes next in the number series?

2, 9, 30, 93, ?