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

Be active and find the killer in the picture Riddle below.

One is to three as three is to five and five is to four and four is the magic number.
What is the pattern?

Find The Odd One Out

1. FLOW
2. SNIP
3. TRAP
4. DRAW
5. BACK

I am a ten letters word
The first four letters have the power to rule,
Next, four-letter can be eaten.
The next three-letter represents a lady.
I can fly as well

what am I looking for?

Can you find the six hidden animals in the picture below?

What is so fragile that saying its name breaks it?

Can you name any English verb that becomes its past tense by simply rearranging the alphabets ?

John is selling fruits.
He sells grapes at $30, Dates $25, and a Wolfberry $45.
At what price does he sell fig?

PS: Logical Thinking

What word is pronounced the same if you take away four of its five letters?