Check whether x and y vary directly or not?
|
x |
3 |
4 |
5 |
6 |
|
y |
15 |
20 |
25 |
30 |
Asked by Topperlearning User | 2nd Sep, 2015, 01:20: PM
Expert Answer:
We know that two quantities x and y vary directly if the ratio 
remains constant, so we find the ratio in each case.
|
x |
3 |
4 |
5 |
6 |
|
y |
15 |
20 |
25 |
30 |
|
Ratio |
|
|
|
|
Clearly, the ratio is same for all the cases.
Thus x and y are varying directly.
Answered by | 2nd Sep, 2015, 03:20: PM
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