Count the number of squares in the picture below.

John replied, when asked how old he was. In 2 years he will be twice as old as he was five years ago.' How old is he ?

A brand new Mobile Phone was on sale at 20% as a promotional offer. By what per cent must the Mobile price be increased to sell it at the original price again?

Jack was having a candle light dinner with his girlfriend. Suddenly a cold gush of wind entered through the open window and three of the ten candles were extinguished. Assuming that none of the other candles were extinguished.

How many candles are they left with in the end ?

Eight of us go fourth, not back, to protect our king from an attack. What are we?

I am a prime number.
The double of myself is equal to the square of me.

which number am I?

Can you find out the number that should replace the question mark with a valid reason?

I am a type of food that is often found in the fridge and can be white in colour. What I am?
Hint 1: I am a dairy product.
Hint 2: You can spread me on the bread.

Can you find out a way through which you can make five squares out of the given figure by moving just six match sticks?

What does this simple rebus mean?