Discussion :: Chain Rule
-
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?
Answer : Option D
Explanation :
Cost of x metres = Rs. d.
Cost of 1 metre = Rs\([ \frac { d } { X }]\) |
Cost of y metres = Rs[\([ \frac { d } { X }.Y]\)Rs\([\frac { Yd} { X}]\)
Be The First To Comment