Move four matchsticks to the below square to form three squares?

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

Decode below three cipher riddles:

26 L of the A
7 D of the W
1000 Y in a M

There is a box full of marbles,
all but two are blue,
all but two are green,
and all but two are red.

How many marbles are in the box?

The host of a game show offers the guest a choice of three doors. Behind one is an expensive car, but behind the other two are goats.
After you have chosen one door, he reveals one of the other two doors behind which is a goat (he wouldn't reveal a car).

Now he gives you the chance to switch to the other unrevealed door or stay at your initial choice. You will then get what is behind that door.

You cannot hear the goats from behind the doors, or in any way know which door has the prize.

Should you stay, or switch, or doesn't it matter?

Find the mistake in the below maths equations

A = 2
A(A-1) = 2(A-1)
A2-A = 2A-2
A2-2A = A-2
A(A-2) = A-2
A = 1

A bomb goes off.
Carnage.
One person, only a few feet away, survives! How can this be?

What you cannot hold but it is yours?

Teacher ask the student

'Why are you standing on that chair in music class ?'.

what did student replied ?

Three ants are sitting at the three corners of an equilateral triangle. Each ant starts randomly picks a direction and starts to move along the edge of the triangle. What is the probability that none of the ants collide?