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The cost of 4 pairs of socks and 5 mufflers is 5400 and cost of 2 pairs of socks and 7 mufflers is 4500. Find the ratio between the cost price of one muffler and one pair of socks.1. 8 : 172. 17 : 83. 6 : 54. 5 : 65. None of the above. |
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Answer» Correct Answer - Option 1 : 8 : 17 Given: (i) Cost of 4 socks and 5 mufflers = 5400 (ii) Cost of 2 socks and 7 mufflers = 4500 Calculations: ⇒ Let the cost price of one pair of socks be x. ⇒ Let the cost price of one muffler be y. ⇒ According to the question ⇒ 4x + 5y = 5400 …………………..(i) ⇒ 2x + 7y = 4500 ……………………(ii) ⇒ After solving equation (i) and (ii), ⇒ y = 400 ; x = 850 Required Ratio: = 400 : 850 = 40 : 85 = 8 : 17. |
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