Question
A businessman donated Rs. 40,000. He first gave away 30%
of the amount to flood relief, then 10% of the leftover for free education, and finally 5% of the new remaining amount to a hospital. What is the final sum left?Solution
ATQ,
Donation to flood relief = 0.30 × 40000 = Rs. 12,000
Remaining = 40000 – 12000 = Rs. 28,000
Donation to free education = 0.10 × 28000 = Rs. 2,800
Remaining = 28000 – 2800 = Rs. 25,200
Donation to hospital = 0.05 × 25200 = Rs. 1,260
Final amount left = 25200 – 1260 = Rs. 23,940
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