When I get multiplied by any number, the sum of the figures in the product is always me. What am I?

I am the largest in my family of fifty.
The youngest of our family lives separately from the rest of the family and so do I.
I am regarded as harsh and tough.
I am so large, you cut me in two equal halves,
each half would still be larger than the second largest member of the family.
Who am I?

If you say my name, I will no longer exist. What am I?

What has many keys but can’t open a single lock?

You are playing a game with your friend Jack. There are digits from 1 to 9. You both will take turn erasing one digit and adding it to your score. The first one to score 15 points will win the game.

Would you want to play first or second?

PS: The sum should be exactly 15.

Can you decipher the below rebus?

PBLUESAISNUERSES

Can you solve below mathematical equation?

2^1234 - 2^1233

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

Identify the movie name through below Rebus containing Pi Mouse and coconut tree..

A newspaper is supposed to have 60 pages, but pages 24 and 41 are missing.
Which other pages won't be there?