Question
Out of his savings of Rs. 30,000, a person contributed 18% to disaster relief, 20% of the rest to a local NGO, and 10% of what was then left for a school. How much money is he left with?
Solution
ATQ,
Contribution to disaster relief = 0.18 × 30000 = Rs. 5,400
Amount left = 30000 – 5400 = Rs. 24,600
Donation to NGO = 0.20 × 24600 = Rs. 4,920
Amount left = 24600 – 4920 = Rs. 19,680
Donation to school = 0.10 × 19680 = Rs. 1,968
Final remaining amount = 19680 – 1968 = Rs. 17,712
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