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If x : y = 3 : 5 and x - y = -2, then the value of x + y is?
Answer & Solution
Correct Answer:
Option
A
$$\eqalign{
& x:y = 3:5{\text{ }} \cr
& x - y = - 2 \cr
& \frac{x}{y} = \frac{3}{5} \cr
& x - y = 3 - 5 \cr
& \Leftrightarrow - 2 = - 2 \cr
& x = 3,{\text{ }}y = 5 \cr
& x + y = 3 + 5 \cr
& \Leftrightarrow x + y = 8 \cr} $$
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