Use only one mathematical symbol and all numbers (0-9) to get a sum of 99

If Rajina's daughter is my daughter's mom, who am I to Rajina?

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?

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 ?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

There was a competition where the contestants had to hold something. At the end of the event, the winner was a person who had no hands or feet. What was it that the contestants had to hold?

I am a five-letter word and people eat me. If you remove the first letter I become an energy form. If you remove the first two letters, I am needed to live. Scramble the last three letters and I am a drink. What word am I?

An artist while painting a scenic beauty, decides to paint three layers of blue colour on the sky.

Which layer will go on the first?

Complete the series by replacing "?" with the correct number.

ST ND RD TH '?'

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