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

In the picture given below, can you find out which digit will take place of the question mark?

Can you count the number of matches in the picture below ?

Which digit occurred maximum times between the number 1 and 1000?

Can you decipher the below rebus?

PBLUESAISNUERSES

Its something that each of us devours,
Not just us but birds, beats, trees, and flowers,
Frets iron and nibbles steel,
Toil hard stones to meal,
Exterminates king, collapse town,
And blows the mountains down.

Find the next number in the sequence

5 12 24 36 ?

Replace the question mark with the correct number below.

You Throw The Outside, Cook The Inside
Eat The Outside, Throw The Inside.

What Is It?

Can you count the number of triangles in the given figure?