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Verbal Reasoning
Computer Science
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Ratio and Proportion
If xy =36, then which of the following is correct?
x : 9 = 4 : y
9 : x = 4 : y
x :17 = y : 7
x : 6 = y : 6
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Correct Answer:
x : 9 = 4 : y
Explanation:
xy =36
⇒ xy = 4 x 9,
⇒ x/9 = 4/y
∴ x : 9 = 4 : y
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