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A person gave 20% of his income to his elder son, 30% of the remaining to the younger son and 10% of the balance, he donated to a trust. He is left with Rs. 10080. What was his income?1). Rs. 500002). Rs. 400003). Rs. 300004). Rs. 20000 |
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Answer» LET his income be x. He gave 20% of his income to his elder son = 0.2x Remaining amount = 0.8x He gave 30% of the remaining to the younger son = 0.8x × 0.3 = 0.24x Remaining amount = 0.56x He DONATED 10% of balance to a trust = 0.056x Remaining amount = 0.504x He is LEFT with Rs. 10080 ⇒ 0.504x = 10080 ⇒ x = 20000 |
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