Can you think of a smallest +ve number such that if we shuffle the digits of the number, the new number becomes double the original number?

There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?

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

Known by all without exception, Forever here, for your protection, Sometimes strong, sometimes weak, Right after the night I come - hot and chic. And while millions of miles away, I always get to you, I find my way. No life around could do without me, Can you guess what I might be?

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

A and B have a certain number of chocolates with them. If B gives one chocolate to A, they will have an equal number of chocolates. But if A gives one chocolate to B, then A will be left with half the number of chocolates that B has.

Can you find out the number of chocolates they have right now?

Can anyone tell me a word in the English dictionary which has a silent 'z'?

A newspaper is supposed to have 60 pages.Pages 14 and 21 are missing from the newspaper.

Can you tell me , Which other pages won't be there as well ?

Can you count the number of blocks in the picture below?

How many triangles can you count in the figure given?