You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

I have teeth but i don't bite. Who Am I ?

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

which number am I?

John is pretty weird. He likes toffees but hates chocolates. He loves books but never reads. He likes to build his troops in an online game but does not proceed with the war. He likes to go swimming but is afraid of water.

Seeking this behaviour, can you tell whether he likes balloons and parties?

What is next number in the pattern below:

131 517 192 123 ?

The Little ant seems to be always confused. Do you know why?

What do you see in the given picture?

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

Find the missing letter in the last circle logically in the given below picture.

Can you find the odd number in the following?

2716, 4135, 5321 and 7145