Take away my first letter, then take away my second letter. Then take away the rest of my letters, yet I remain the same. What am I?

What does below science rebus mean?

Ag Ag Ag
Ag SPOON Ag
Ag Ag Ag

They came out at night, without being called.
They lost at day, without being stolen.
Who are they?

1. What does:
TIM JOB
represent?

2. What does:
MO_ _
represent?

Nine marbles are arranged in the image below. Can you slide two marbles to form a square?

Why is a river so rich ?

Manish has to secure 40% marks to pass his B.tech final exams.
He got just 40 marks and failed by 40-marks.

What is the maximum marks?

Who can jump higher than a Mountain?

They are the five precious gems of an everyday sort and all can be found on a Tennis Court. Who are they?

When Jack was six years old he hammered a nail into his favourite tree to mark his height. Ten years later at age sixteen, Jack returned to see how much higher the nail was. If the tree grew by five centimetres each year, how much higher would the nail be?