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If the cost of \(x\) metres of wire is \(d\) rupees, then what is the cost of \(y\) metres of wire at…

The correct choice is: ₹ \(\left(\dfrac{yd}{x}\right)\) Cost of 1 metre \(=\dfrac{d}{x}\) rupees, so cost of \(y\) metres \(=\dfrac{yd}{x}\) rupees. Hence the answer is ₹…

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If the cost of xx metres of wire is dd rupees, then what is the cost of yy metres of wire at the same rate?

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Correct answer D

The correct choice is: ₹ (ydx)\left(\dfrac{yd}{x}\right)

Cost of 1 metre =dx=\dfrac{d}{x} rupees, so cost of yy metres =ydx=\dfrac{yd}{x} rupees.

Hence the answer is ₹ (ydx)\left(\dfrac{yd}{x}\right).

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  • NCHM Joint Entrance Examination (NCHM JEE)

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