Question

A man donated 10%, 20% and 15% of his income to three NGOs ‘A’, ‘B’ and ‘C’, respectively. They spent 75%, 80% and 50% of respective sums received by them. If total sum left with three NGOs is Rs. 5100, then find the income of man.

A Rs. 31875
B Rs. 31075
C Rs. 31805
D Rs. 31995
E None of these
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