Aptitude - Chain Rule - Discussion
Discussion Forum : Chain Rule - General Questions (Q.No. 2)
2.
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?
| Rs. |  |
xy |  |
| d |
Rs. (xd)
Rs. (yd)
| Rs. | |
yd | |
| x |
Answer: Option
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 |
Discussion:
15 comments Page 2 of 2.
Deepa said:
1 decade ago
Cost of x meters is d. Cost of 1 meters is d/x. Then cost of why meters is d*y/x.
T.Rajesh said:
1 decade ago
for X:d::Y:p then p is Xp =Yd
p =Yd/X
p =Yd/X
Anil said:
1 decade ago
x meters--->d rupees.
For 1 meter, we get d/x.
For y meters simply multiply d/x with y.
For 1 meter, we get d/x.
For y meters simply multiply d/x with y.
Parameswaran.G said:
1 decade ago
We known X and D,
Then we need Y meters of wire.
Let as,
WE GET ANSWER =(D/X)* Y.
Then we need Y meters of wire.
Let as,
WE GET ANSWER =(D/X)* Y.
Rajini said:
1 decade ago
We know the cost of x rupees is d meters cost of one meter is d/x cost of y meters is d/x*y.
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