What famous saying does this rebus mean?

COME SERVED <---
COME SERVED
COME SERVED
COME SERVED
COME SERVED

When I get multiplied by any number, the sum of the figures in the product is always me. What am I?

You have two buckets of 11 liters and 6 litres.
How can you measure exactly 8 litres?

A girl was standing near the window thinking something. All of a sudden she decides something and throws something out of the window. She dies very soon after throwing it. She was perfectly healthy and had no disease or allergy. No one killed her and she did not commit suicide.

Can you think of any possible explanation that is logical as well for what happened there?

This is a picture puzzle. You have to guess the name of the movie that can be related to the picture.

You have a three-gallon and a five-gallon measuring device. You wish to measure out four gallons.

What will be the best approach to finding all the prime numbers less than 75 that leave an odd reminder when we divide them with 5?

You have 10 balls with you. A friend of yours out of nowhere asks you to place those ten balls in five lines such that each of the lines has exactly 4 balls on them. He needs to check your intelligence. Prove him by doing the task.

There's one "sport" in which neither the spectators nor the participants know the score or the leader until the contest ends.

What is it?

Why Aeroplane windows are round?