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The cost of 4 Calculators and 2 Stencils is Rs. `6,200`. What is the cost of 10 Calculators and 5 Stencils?A. Rs.`15,500`B. Rs.`14,875`C. Rs.`16,200`D. Cannot be determined |
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Answer» Let cost of 1 calculator = Rs. X Let cost of 1 stencil = Rs. Y `:. 4x+2y = 6200` Multiplying both sides by ` 2.5` ` 10x+5y = 6200 xx 2.5 = Rs. 15500` |
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