If 21x = 79x, what is the value of x?

In a box, there is a jumble of 7 red balls, 6 blue balls, 5 green balls, and 4 yellow balls. What is the minimum number of balls, will you have to pick up so that you have at least 4 balls of the same colour?

You are in a room with no metal objects except for two iron rods. Only one of them is a magnet.
How can you identify which one is a magnet?

Rectify the following equality 101 - 102 = 1 by moving just one digit.

How can you take 2 from 5 and leave 4?

A Child was born in Lahore, Pakistan.

Still child is not a Pakistani citizen.why ?

Can you decipher the two rows to find the hidden word?

What kind of tree can you carry in your hand?

The peacock is a bird that does not lay eggs. How do they get baby peacocks?

John speaks the truth only once a day in a week. Below are a few hints for you:

First: Days are Sunday, Monday and so on.
Second: One day he says, "I lie on Monday and Tuesday".
Third: On the next day, he says, "Today is either Thursday, Saturday or Sunday".
Fourth: On the next day, he says, "I lie on Wednesday and Friday".

Can you identify the day on which he speaks the truth?