Question

I Hade 100 rupees.
Spend 40 rupees --left 60 rupees
spend 30 rupes -- left 30 rupees
spend 18 rupes -- left 12 rupees
spend 12 rupees -- left 00 rupees
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total= 100 rupees --- 102
the brain is bad since morning i don't know 2rupees who has given it.

Answer 1

Your mother has given it

Answer 2

Total ruppes will be equal to = 100 - (40 +30+18+12)
= 100- 100 => 0