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1). 62). 53). 44). 3 |
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Answer» Let the required number be x ⇒ 40 = $(\left( {\FRAC{{7\; \TIMES \;1}}{{x\; \times \;1\;}} - \;1} \RIGHT))$ × 100 ⇒ 2/5 = 7/x - 1 ⇒ 2/5 + 1 = 7/x = 7/5 = 7/x ⇒ x = 5 ∴ He has to sell 5 pair of clips for a rupee to get PROFIT of 40% |
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