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SSC Selection Post 2022 PYQ — Question 68

SSC Selection Post - Matriculation Level 2022 - 7 Feb 2022 - Shift 1 • Quantitative Aptitude • Q68

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If 5A = 6B = 9C, What is A : B : C?

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Correct answer: B

Explanation

The correct answer is option 2 i.e. 18 : 15 : 10.

Let 5A = 6B = 9C = K

Now, A : B : C = K5:K6:K9\frac{K}{5} : \frac{K}{6} : \frac{K}{9}

Now, LCM of (5, 6 and 9) = 90

So, A : B : C = 18 : 15 : 10