Find the next number in the series below

21 32 54 87 131 ?

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

Two trains start at the same time, one from Bangalore to Mysore and the other from Mysore to Bangalore. if they arrive at their destinations one hour and four hours respectively after passing one another, how much faster is one train running than the other?

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

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

I am a number I am not an odd number I am higher than 90 I am not higher than 100 If you subtract me from 100, you get nothing. What number am I?

What has one eye, but can’t see?

If two's company, and three's a crowd, then whats four and five ?

Can you find the missing piece of the Porsche?

A woman shoots her husband.

Then she holds him under water for over 5 minutes.

Finally, she hangs him.

But 5 minutes later they both go out together and enjoy a wonderful dinner together.

How can this be?