Pronounced as one letter,
And written with three,
Two letters there are,
And two only in me.
I am double, I am single,
I am black blue and grey,
I am read from both ends,
And the same either way.

This is a classy optical illusion puzzle. What more you can find except bricks in the image below?

A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

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

What part of the chicken has the most feathers?

I have an apple tree , number of apple in this tree get doubles every week.

On 30th week , the tree gets completely filled with apples :-)



Can you tell me , on what week does my tree is half covered with apples ?

John can eat 27 chocolates in an hour, Jacob can eat 2 chocolates in 10 minutes, and Jolly can eat 7 chocolates in 20 minutes. How long will it take them to share and eat a box of 120 chocolates whilst playing Chess?

What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?

Forwards I am heavy, backward I am not. What am I?

I had an infinite supply of water and 5 litres and 3 litres jars.

How would you measure exactly 4 litres in the least number of steps?