I never stop running even when I standstill. If I am formed by joining two identical bodies together, can you guess who I am?

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

Can you count the number of squares in the figure below?

What is greater than gold but cannot be bought. it can never be sold and can earn if its sought. though it can be broken, it can still be fixed. for by birth it can't start nor by death it is ended.what am i?

No matter how little or how much you use me, you change me every month. What am I?

Find the next number in the series

12, 20, 40, 72, 116, 172 ?

The current time can be represented by below textual rebus.

0
=========
B.Sc
LLB

Can you tell us the current time?

Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

Can you replace the X (both small and big x) with the numbers between 1 to 19 such that all the rows of 3 numbers between X (big x) sum to 23?

For an extra income, John decided to work at a Hotel for one hour daily. The manager offers him that they will pay him $11 after every 11 days.
However, John offered a different proposition to the manager. The offers stand as:
He will be paid just a penny on his first day.
Two pence will be paid on the second day,
Four pence will be paid on the third day.
And so on till the 11th day.

Should the Hotel manager accept his offer?