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?

The doctor advised his patient to take a tablet after every fifteen minutes. He gave him five tablets in total.

How much time will he take to have all the five tablets?

Solve below rebus puzzle?

A seven-year-old kid challenged his classmates that he can make the number one disappear by adding something to it.

How can he do that?

I throw two dice simultaneously.

What is the probability of getting a sum as 9 of the two numbers shown?

My friends called me Iron59 because my parents are a chemist and a mathematician. What is my real name?

Move four matchsticks to the below square to form three squares?

What can run but never walk, have a mouth that never speaks, have a head that never weeps, and have a bed but never sleeps?

How many letters are in the alphabet?

1. What does:
TIM JOB
represent?

2. What does:
MO_ _
represent?