There is a bag which have 21 blue balls and 23 red balls. You also have 22 red balls outside the bag. Randomly remove two balls from the bag. * If they are of different colors, put the blue one back in the bag. * If they are the same colour, take them out and put a red ball back in the bag. Repeat this until only one ball remains in the bag. What is the color of the sole ball left in the bag ?

Prove that twice of ten is the same as twice of eleven.

What does an Island and the letter T have in common?

This puzzle is for Harry Potter fans. Do you know why Tom Riddle is called Lord Voldemort?

It is deaf, Dumb and Blind!!!

Still, always tells the truth. What is it?

What is the largest number you can write with just 3 digits?

Identify The phrase in the picture.

Can you circle exactly four of these numbers such that the total is twelve?

1 6 1
6 1 6
1 6 1
6 1 6

Living above a star, I do not burn
Eleven friends and they do not turn
I can just be visited in a sequence, not once or repeatedly
PQRS are my initials
Can you tell my name accurately?

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