Can you think of any three-dimensional shape that comprises of exactly two surfaces?

Out of four images which one is the odd one out?

Why is it against the law for a man living in Delhi to be buried in Mumbai?

You have $100 with you and you have to buy 100 balls with it. 100 is the exact figure and you can't go below or above the numbers and you have to use the entire $100. If there is no kind of tax applied how many of each of the following balls will you be able to buy:

Green Balls costing $6
Yellow Balls costing $3
Black Balls costing $0.10

Now, how many of each must you buy to fulfil the condition given?

Why is it very easy to weigh a fish?

Who has married many women but was never married?

A woman lives in a Tall building thirty-six floors high and served by several elevators which stop at each floor going up and down. Each morning she leaves her apartment and goes to one of the elevators. Whichever one she takes is three times more likely to be going up than down. Why?

What number do you get when you multiply all of the numbers on a telephone's number pad?

What will be the best approach to finding all the prime numbers less than 75 that leave an odd reminder when we divide them with 5?

In this image, you can see three almost identical Doraemon images. Can you spot the odd one out from them?