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?

Name the three-letter word that can complete the below words:

A) L O _ _ _ E
B) E D U _ _ _ E
C) _ _ _ E R
D) _ _ _ T L E

If an electric train is travelling south, then which way is the smoke going?

I make two people out of one. What am I?

You need to arrange three 7 and mathematical symbols to form number 1?

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

You are provided with a grid (as shown in the picture). Can you fill the squares with numbers 1-8 in a manner that none of the two consecutive numbers are placed next to each other in any direction (vertically, horizontally or diagonally?)

I am under you when I am whole.
I shift above you if you remove the first letter.
I come all around you if you remove the second as well.

Can you tell me who I am?

Which Burger Is Different in below image?