What always comes into a house through the keyhole?

Spelt forwards I’m what you do every day, spelled backwards I’m something you hate. What am I?

I am a type of vehicle that has two wheels and is powered by humans. What am I?
Hint 1: You can ride me for exercise.
Hint 2: I am environment-friendly.

Our product and our sum always give the same answer. Who are we?

Below toothpicks/matchsticks indicate the group of fishes moving from west to east direction. Can you make them move from east to west by just moving three toothpicks/matchsticks?

They are the five precious gems of an everyday sort and all can be found on a Tennis Court. Who are they?

Two batsman each on 94 runs. Seven runs needed to win in last 3 balls. Both make 100*. How?

What does this rebus riddle means ?

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

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