If the cost of x metres of wire is d rupees, then what is the cost of y metres of wire at the same rate?

1.

If the cost of x metres of wire is d rupees, then what is the cost of y metres of wire at the same rate?

[A].	Rs. xy/d
[B].	Rs. (xd)
[C].	Rs. (yd)
[D].	Rs.yd/x

Answer: Option D

Explanation:

Cost of x metres = Rs. d.

Cost of 1 metre = Rs.		d
		x

Cost of y metres = Rs.		d	. y		= Rs.		yd	.
		x					x

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