Why is it very easy to weigh a fish?

Outside a massage parlour, there is a board that reads
"I only massage those who do not massage themselves."

Reading the above statement, does the masseur massage himself?

What makes this number unique: 8,549,176,320?

What has no start, end, or centre?

Rectify the following equality 101 - 102 = 1 by moving just one digit.

Can you find out the missing number in the grid?

Two boys wish to cross a river. The only way to get to the other side is by boat, but that boat can only take one boy at a time. The boat cannot return on its own, there are no ropes or similar tricks, yet both boys manage to cross using the boat.

How?

Decode below three cipher riddles:

26 L of the A
7 D of the W
1000 Y in a M

I throw two dice simultaneously.

What is the probability of getting a sum as 9 of the two numbers shown?

Can you decipher the below rebus?

PBLUESAISNUERSES