You have two rectangular wires.

Both of them have property that when you light the fire from one end , it will take 60 minutes to get completely burn.

However, they do not burn at consistent speed (i.e it might be possible 1st 20% burn in 50 minutes and 80% can burn in 10 minutes).

So how could you measure 45 minutes ?

Six people park their car in an underground parking of a store. The store has six floors in all. Each one of them goes to a different floor. Simon stays in the lift for the longest. Sia gets out before Peter but after Tracy. The first one to get out is Harold. Debra leaves after Tracy who gets out on the third floor.

Can you find out who leaves the lift on which floor?

Which tank will fill first?

In a mathematical quiz, you are asked the following question:

Use three 9s in a mathematical expression without dividing or multiplying to form the number one.

Can you answer the question?

What will you call your mother's brother's brother-in-law?

A man says, "Brothers and sisters, have I none, but that man's father is my father's son." Who is that man?

As you can see that fifteen matches have been used to form an arrangement. What you have to do is remove any six of them to make them ten.

What has many keys but can’t open a single lock?

Find the next number in the series below

21 32 54 87 131 ?

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?