If the cost of x metres of wire is d rupees, how much does y metres of wire cost at the same rate?
A. Rs. xy/d
B. Rs. (xd)
C. Rs. (yd)
D. Rs. yd/x
Answer:D
If the cost of x metres of wire is d rupees, how much does y metres of wire cost at the same rate?
A. Rs. xy/d B. Rs. (xd) C. Rs. (yd) D. Rs. yd/x
Explanation: The price of x metres is Rs. d.One metre costs Rs. d/x.y metres cost = Rs. d/x - y metres cost = Rs. yd/x