RRB Junior Engineer Stage 1 Model Papers 8

Question : 10 of 100

Marks: +1, -0

If 2A = 3B and 3B = 2C, then what is A : B : C ?

Solution:

Here, 2A = 3B 3B = 2C

∴A/B=3/2

and

∴B/C=2/3

∴A/C=A/B×B/C=3/2×2/3=1:1

Let

A/3=13/2=C/3=k

Then A = 3k, B = 2k, C = 3k,
∴ A : B : C = 3 : 2 : 3

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