People make me, save me, change me, raise me. What am I?

Can you decipher the below rebus?

PBLUESAISNUERSES

You knock a Table over in the library, and suddenly 20 eyes are looking at you.

I have a five and a three-gallon jar. Assuming there is an infinite supply of water, how can I measure one-gallon water?

John, a 5-year-old boy, was really fond of the chocolates. He asked his Mother to give him some money to buy his favourite chocolates. His Mother gave him $45. He went to the shopkeeper and asked, "How much is one chocolate for?". The shopkeeper said $3 for one chocolate. Also, if you give me the wrappers of three chocolates, I will give you one for the exchange.
In total, how much chocolate could John eat?

Can you find the odd number in the following?

2716, 4135, 5321 and 7145

Two guards were on duty outside a barracks. One faced up the road to watch for anyone approaching from the North. The other looked down the road to see if anyone approached from the South. Suddenly one of them said to the other, "Why are you smiling?"

How did he know his companion was smiling?

There was a strange boy who was born before his father. How can this be possible?

How could a baby fall out of a twenty-story building onto the ground and live?

Manish and Manoj play 5 games of chess.
Both Manish and Manoj win the exact same number of games. There is no tie at all.

How?