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SSC MTS 2019 PYQ — Question 75

SSC MTS Previous Year - 06 August 2019 - Shift 3 • Quantitative Aptitude • Q75

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If  X : Y = 13 : 12 and X - Y = 2, then what is value of 2X + 3Y?

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Correct answer: C

Explanation

Correct Answer is option 3 i.e. 124

Understanding

Application

Calculation

Given:

X : Y = 13 : 12

 

Suppose,

X = 13a, Y = 12a

 

And

X − Y = 2

So,

13a – 12a = 2

⇒ a = 2

Hence,

X = 26 & Y = 24

 

 

Now,

2X + 3Y = 124

2X + 3Y

⇒ 2 × 26 + 3 × 24

⇒ 52 + 72

⇒ 124