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SSC CGL 2019 PYQ — Question 8

SSC CGL Tier II - Quant 13th Sep. 19 • Quantitative Aptitude • Q8

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If (5x + 2y) : (10x + 3y) = 5 : 9, then (2x2 + 3y2) : (4x2 + 9y2) = ?

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Correct answer: D

Explanation

The correct answer is option 4 i.e. 31 : 87

(5x + 2y) : (10x + 3y) = 5 : 9

 

Now,

(2x2 + 3y2) : (4x2 + 9y2)

From the ratio of y2 and x2