When Jack was six years old he hammered a nail into his favourite tree to mark his height. Ten years later at age sixteen, Jack returned to see how much higher the nail was. If the tree grew by five centimetres each year, how much higher would the nail be?

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

Can you calculate the probability of getting a sum of six when a dice is thrown twice?

A large container is kept in open under the rain. Every passing hour, the water collected inside the container becomes double what it was.

In ten hours, the container is filled completely. Can you calculate how long would it have taken to be filled in half?

I have one of the three numbers: 1, 2, or 3 in my mind. I speak only truth. You can ask me just one question for which I will only reply in yes or no or don't know. What question will you ask from me so that you are able to know the number?

Suppose you are a girl candidate and sitting in an interview. Suddenly the interviewer asks you, 'What if one morning you wake up and find out that you are pregnant?

How will you reply to such a question?

Find The Next Number In The Sequence

30 10 15 13 0 16 -15 ?

What three numbers, none of which is zero, give the same result whether they’re added or multiplied?

what one word does the below rebus identifies?

Can you name an animal whose killing cannot be performed without spilling your own blood?