How can you leave a room with two legs and return with six legs?

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.

I know there are two methods by using three time the same number with a plus(+) operator , you can make sum as 60.

One of them is 20+20+20.

whats the other way ?

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?

There are 3 apples in the basket and you take away 2. How many apples do you have now?

There is a movie name hidden in the picture that is attached with this question. Can you find out which movie is it?

Considering the below equation:

V + II - VI = 10
IV - X + VIII = 20
IV - VII + VI = 30

Then, I + II + III = ?

Cristina was born in 1888. She just had her 30th birthday today how did that happen?

What can you deduce from the following BrainBat?

CRY
LMKI

If all Goats are Sheep and all Sheep are Deers, are all Deers Goats ?