Find the next number in the series below

21 32 54 87 131 ?

In the following picture, E is going to slide the object down and as per the terrain and the physics, the round object is going to travel all the way till the end. Now, can you analyze who all people will die when it happens?

Which alphabet letter is a question?

Can you make a six-letter word using the letters N, A and B ?

What's a single-digit number with no value?

It can't be seen, can't be felt, can't be heard, and can't be smelt.
It lies behind stars and under hills, And empty holes it fills.
It comes first and follows after, Ends life, and kills laughter.
What is it?

I can write cow in 13 letters.

Can You?

Twice ten are six of us,

Six are but three of us,

Nine are but four of us;

What can we possibly be?

Would you know more of us?

Twelve are but six of us,

Five are but four, do you see?

What are we?

If eleven plus two equals one, what does nine plus five equal?

Find the missing number in the sequence below: