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A man spent 20% of his monthly income on house rent, 20% of the remaining income on food. If from the remaining income, ratio of amount spent on clothing to saving is 7:9 and difference between amount spent on food and clothing is ₹1080, then find income of man for nine months?
- ₹81000
- ₹70000
- ₹68000
- ₹96000
Correct answer: ₹81000
Solution
Income=I. Rent=0.2I, remaining=0.8I. Food=20% of 0.8I=0.16I, remaining=0.64I. Clothing:saving=7:9 → clothing=7/16×0.64I=0.28I. |Food-Clothing|=|0.16I-0.28I|=0.12I=1080 → I=₹9000/month. 9 months = 9×9000 = ₹81000.
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