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A shopkeeper sells his goods at 5% loss. Had he sold it Rs. 650 more, he would gain 8%. Find the initial CP.1. Rs. 50002. Rs. 35003. Rs. 48004. Rs. 6520 |
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Answer» Correct Answer - Option 1 : Rs. 5000 Given: Loss% = 5% Gain% = 8% Concept used: SP = CP × (100 – loss%)/100 Calculation: Let initial CP be Rs. x Loss% = 5% SP = x × (100 – 5)/100 ⇒ SP = 95x/100 ⇒ SP = 19x/20 If it is sold at Rs. 650 more, SP = (19x/20) + 650 ⇒ (19x/20) + 650 = 108x/100 ⇒ (19x/20) + 650 = 27x/25 ⇒ 650 = 27x/25 – 19x/20 ⇒ x = 100 × 650/13 ⇒ x = 5000 ∴ The initial CP is Rs. 5000 |
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