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 below-given picture of a pretty girl, there is something wrong. Can you find out what it is?

A cat, a dog and a monkey were stolen. 3 suspects got caught: Harish, Manoj and Tarun. All we know is each person stole one animal, but we do not know who stole which. Here are the investigation statements. Harish said: Tarun stole the cat. Manoj said: Tarun stole the dog. Tarun said: They both were lying. I did not steal the cat or the dog. Later on, the police found out the man who stole the monkey told a lie. The man who stole the cat told the truth. Can you find out who stole which?

If a wheel has 54 spokes, how many spaces are there between the spokes?

You can hear me, but you can't touch or see me.

What am I?

Different lights make me strange by changing me into different sizes. What am I?

The day after tomorrow will be three days before Tuesday. Can you find out what is today?

Can you count the number of seconds in a year?

Clue: You need to bother about calculation.

What kind of band never plays music?

What is the longest word in the dictionary?