In the four images below, can you find the odd one out?

What is 3/7 chicken, 2/3 cat and 2/4 goat?

How many words can a quill made with the feather of a pigeon write with a 100ml bottle of black ink?

How can you throw a ball as hard as you can and have it come back to you even if it doesn't hit anything there is nothing attached to it and no one else catches or throws it.

I always drive my customer away.

Who am I?

There are three light switches outside a room. One of the switches is connected to a light bulb inside the room.
Each of the three switches can be either 'ON' or 'OFF'.

You are allowed to set each switch the way you want it and then enter the room(note: you can enter the room only once)

Your task is to then determine which switch controls the bulb?

You can take four of the five letters out of this word, but the pronunciation never changes. What is the word?

A brand new Mobile Phone was on sale at 20% as a promotional offer. By what per cent must the Mobile price be increased to sell it at the original price again?

Replace each alphabet with the number (1-9) to make the below equation correct.

AB * C = DE - F = GH / I

Nine marbles are arranged in the image below. Can you slide two marbles to form a square?