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Question
Both x and y vary directly with each other and when x is 10, y is 14, which of the following is not a possible pair of corresponding values of x and y?
Options
25 and 35
35 and 25
35 and 49
15 and 21
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Solution
35 and 25
Explanation:
Both x and y vary directly with each other.
i.e. `x oo y`
If x = 10 and y = 14
So, `10 oo 14` or `5 oo 7`
This proportion is not follow in 35 and 25 pairs.
Hence, 35 and 25
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