What does below rebus means ?

How many times can you subtract the number 5 from 25?

Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?

In the image below, can you find the value of an angle(y)

Can you find the next number in the sequence?

113 119 101 114 116 ?

Can you decipher the following common phrase?

T M C
A U O
H S M
W T E

What 5-letter word typed in all capital letters can be read the same upside down?

A mother is 21 years older than her child. In exactly 6 years from now, the mother will be exactly 5 times as old as the child.
Where's the father?

In the Chess Board picture below white army is arranged. You need to add a black army on the board such that no piece is under any threat.
Note: Army comprised of 1 king, 1 queen, 2 rooks, 2 bishops, 2 knights, and 8 pawns.

When you say goodbye, I am what you need to tie.
I come as a couple and go wherever you run.
Who am I?