Which number should replace the question mark?

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

I have no life, but I can die. What am I?

Decode below three cipher riddles:

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

The following four words might seem abrupt to you. But you can make them meaningful by just adding vowels.
RDSH
GGPLNT
TMT
NN

Hint: All of them are vegetables.

I inserted a coin in a bottle and closed its mouth with the help of a cork. Now, I was able to take the coin out from the bottle without taking out the cork or breaking the bottle. Can you tell me how I did it?

What do you think with the below Picture ?

Which is faster, Heat or Cold ? Explain.

A rain drop fell from one leaf to another leaf and lost 1/4th of its volume. It then fell to another leaf and lost 1/5th of the volume. It again fell on another leaf and lost 1/5th of the volume.



This process kept repeating till it fell on the last leaf losing 1/75th of its volume.



Can you calculate the total percentage of loss from the initial volume when the drop has fallen to the last leaf accurate up to two decimal places?

What Does this text mean:

important=important