What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C

Find the next number in the series below

21 32 54 87 131 ?

I am taken from a mine and shut up in a wooden case, from which I am never released, and yet I am used by almost every person. What am I?

Can you solve the below tricky visual equation?

First, think of the colour of clouds. Next think the colour of snow. Last, think of the colour of the moon. Now, what do cows drink?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see? What is it?

Things are just as they seem, right? Well, check again.
Can you count the number of tigers in this picture ?

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?

Bay of Bengal is in which state?

Rahul decided to meet Simran so he boards a local train from Bombay station. Just after the station, there is a 1km long tunnel. The train starts and is now accelerating. Rahul is a claustrophobic guy, so what is the best position for him to sit?