If 2A = 3B and 4B = 5C. then A:C Is:

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RRB Junior Clerk Exam (Allahabad) 2009 click here to view all questions

If 2A = 3B and 4B = 5C. then A:C Is:

A4:3

B08:15

C15:8

D3:4

Nithin K ? Apr 21 '2018 at 21:35

Correct Answer: C [15:8]

Explanation:

Given 2A = 3B

and 4B =5C => B=\(\frac{5}{4}C\)

\(\implies 2A=3B=3\times\frac{5}{4}C\)

\(\implies A =\frac{5}{4}C\)

\(\implies \frac{A}{C}=\frac{15}{8}=15:8\)

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Correct Answer: C [15:8] Explanation: Given 2A = 3B and 4B =5C => B=\(\frac{5}{4}C\) \(\implies 2A=3B=3\times\frac{5}{4}C\) \(\implies A =\frac{5}{4}C\) \(\implies \frac{A}{C}=\frac{15}{8}=15:8\) Nithin K ? answered Apr 21 '2018 at 21:35 All Comments

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