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 is a unique number which when multiplied by any number from 1 to 6, we will get the new number that contains the same digits only.

Can you find that number?

What does this say?

XLR8

John was writing his first book. After saving the document, he locked his laptop with a password and mentioned some phrases for the hint box.

A friend of his tried opening his laptop but found out that it was password protected. Following is the hint that appeared.
1 mobile 3 books 2 roars 1 night 4 balls 2 lighters 1 ghost 1 hat 3 watches.

Can you help him in cracking the password?

If a wheel has 54 spokes, how many spaces are there between the spokes?

Can you count the number of triangles in the given picture?

What word begins and ends with an E, but has only one letter?

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?

I was speeding and ran through a stop sign, yet two traffic officers who were there do nothing about it.

why?

Why is 6 afraid of 7?