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?

Which Number is the odd one out?

A) 7145
B) 2716
C) 5321
D) 4135

It's a protector.
It sits on a bridge.
One individual can see directly through it, while others wonder what it hides.

What is it?

When I get multiplied by any number, the sum of the figures in the product is always me. What am I?

By using 'because' continuously three times, can you make an English statement ?

A little girl goes to the store and buys one dozen eggs. As she is going home, all but three break. How many eggs are left unbroken?

A river should be crossed by a father, a mother and their two sons and two daughters.
There are some rules that should be followed while crossing the river. There can be only two people in the raft while crossing. The daughters cannot be with their father unless there is the presence of the mother. The sons cannot be with their mothers unless the father is present. Unless the guard is on the board, the criminals cannot be with any of the family members. Only the adults like the father, the guard, and the mother knows to use the raft.

How will they cross the river?

I have branches, but no fruit, trunk or leaves. What am I?

Can you find a number that lies one third of the distance between 1/3 and 2/3?

By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?