A person gave 20% of his income to his elder son, 30% of remaining to the younge

Question

A person gave 20% of his income to his elder son, 30% of remaining to the younger son and 10% of the balance, he donate to a trust. He is left with Rs. 10080. His income was :

Options:

A . Rs. 50000

B . Rs. 40000

C . Rs. 30000

D . Rs. 20000

Answer: Option D

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