Can you find a seven digit number which describes itself. The first digit is the number of zeros in the number. The second digit is the number of ones in the number, etc. For example, in the number 21200, there are 2 zeros, 1 one, 2 twos, 0 threes and 0 fours.

You are given 2 eggs.
You have access to a 100-storey building.
Eggs can be very hard or very fragile means it may break if dropped from the first floor or may not even break if dropped from 100th floor, Both eggs are identical.
You need to figure out the highest floor of a 100-storey building an egg can be dropped without breaking.
Now the question is how many drops you need to make. You are allowed to break 2 eggs in the process

I am quite hot but become too cold if you remove the first two letters. What am I?

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?

Living above a star, I do not burn
Eleven friends and they do not turn
I can just be visited in a sequence, not once or repeatedly
PQRS are my initials
Can you tell my name accurately?

I cannot talk, but I always reply when spoken to. What am I?

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?

Can you think of any three-dimensional shape that comprises of exactly two surfaces?

Divide 110 into two parts so that one will be 150 per cent of the other. What are the 2 numbers?

A man and a dog were going down the street. The man rode, yet walked. What was the dog’s name?