Question

subodh father gives 30 rs to him. he bought a chocolate of 10rs how much money he have

Answer 1

Total amount = Rs.30

Amount that is spent on buying chocolate = Rs.10

Total - amount spent = 30-10 = 20

The money he have = Rs.20

Answer 2

Money given= Rs
$30$
CP of chocolate = Rs
$10$
Money he is having now= Rs
$30 - 10$
$20$
So now he is left with 20 rupees