Tuesday, September 23, 2014

Today apti (24th Sep 2014)

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

a. Rs (xy/d)   b. Rs. (xd)   c. Rs. (yd)    d. Rs. (yd/x)

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Answer:

Cost of x metres = Rs. d.
cost of 1 metre = Rs. (d/x)
cost of y meters = Rs. (d/x * y)
        = Rs. (yd/x)
 

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