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CBSE Class 8 Answered

Check whether x and y vary directly or not?

x

3

4

5

6

y

15

20

25

30

 

Asked by Topperlearning User | 02 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 | 02 Sep, 2015, 03:20: PM
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