Yesterday I fell from 30 feet high ladder but I don't get hurt. Why?

What word does this rebus represent?

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What Does this text mean:

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You are given with the following sum. Each of the letters can be decoded as a digit. If we tell you that D = 5, then can you solve it entirely?

DONALD
+GERALD
=ROBERT

A boy purchased a book from a bookkeeper and gave him $100.
The cost of the book is $50 but the bookkeeper has no change, so he gets the change from the next shop and returns the boy his $50.

After some time the next shopkeeper came with the $100 note and told the bookkeeper that the note was a fraud, so he took the money back.

How much loss did the bookkeeper face?

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?

Eight of us go fourth, not back, to protect our king from an attack. What are we?

A Child was born in Lahore, Pakistan. Still, the child is not a Pakistani citizen. why?

Akbar called Birbal and asked him to draw a line on the floor. He asked Birbal to make that line smaller without erasing it. Birbal smiled and did it before Akbar could blink his eyes.

How did he managed to do it?

What kind of tree can you carry in your hand?