Question: 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. (xd)
Rs. (yd)
[A].
| Rs. | xy | ||
| d |
[B].
[C].
[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 |