Can you find a pattern and the missing number in the series given below?

100, 155, 258,? , 584, 819.

I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?

Take away the whole and some still remain. What is it?

The pound is not a finish.

We are sharing a few instructions below, which you have to use in any suitable order to modify the above sentence such that the end sentence is a scientific fact.

- Eliminate a letter and supplement another in its place.
- Take away one word.
- Remove one letter from one word.
- Get rid of two letters from one word.
- Swap a word with its antonym.

Why 1729 is a magic number? Answer Logically.

How many triangles can you count in the figure given?

What does this rebus means ?

Find the next number in the sequence

5 12 24 36 ?

A police officer was passing by when he saw a guy hiding. He walked up to him and genially asked, "What is your name?"

"Shut up!" the boy responded.

"Where are your manners?" asked the outraged police officer.

"Up that tree," said the boy discourteously, directing to a neighbouring tree.

You're looking for trouble, aren't you?" said the police officer.

"No, trouble is looking for me!" the boy answered solemnly.

Why is the boy behaving like this?

There is a box full of marbles,
all but two are blue,
all but two are green,
and all but two are red.

How many marbles are in the box?