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Question
If x – y = 2 and `2/(x + y) = 1/5` then
Options
x = 4, y = 2
x = 5, y = 3
x = 6, y = 4
x = 7, y = 5
MCQ
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Solution
x = 6, y = 4
Explanation:
From `2/(x + y) = 1/5` we get x + y = 10.
Add this to x – y = 2:
(x + y) + (x – y) = 10 + 2
⇒ 2x = 12
⇒ x = 6
Then y = x – 2 = 4.
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