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?

I look at you, you look at me I raise my right, you raise your left. What am I?

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.

In the given figure, move three matchsticks so that the resulting figure contains two rectangles.

Only one colour, but not one size,
Stuck at the bottom, yet easily flies.
Present in sun, but not in rain,
Doing no harm, and feeling no pain.
What is it?

No one wants to have it, but if one got it, he does not want to lose it. What is It?

Find the combined weight of the Cat, Dog and Rabbit in the given picture.

Which is the smallest number that you can write using all the vowels exactly once?

I never was there, I am always to be.
You have never ever seen me, not ever you will.
Yet I am the confidence of everyone.

Who Am I?

Make the seating arrangement of 10 children in such a way that there are 5 rows with 4 children in each row.