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

By what process could you make a 'Tea-Table' into food?

Which alphabet letter is a question?

I can be cracked, made, told, and played. What am I?

If you drop me I’m sure to crack, but give me a smile and I’ll always smile back. What am I?

There is a unique number which when multiplied by any number from 1 to 6, we will get the new number that contains the same digits only.

Can you find that number?

On her drawing table, Sayna lit 12 coloured candles. A few seconds later she blew two candles off.

How many candles Sayna have at the end?

As we know that white starts the game of chess. Can you find the scenario shown in the picture below is possible when all the white pieces are at the original place while the black pawn is not as in the below picture?

Can you solve the maths in the below-given picture equation?

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What is the probability that X will win ?