If a/b = 7 /9 , = b/ c = 3/5 then the value of a : b : c is

SSC CHSL 20 Dec 2015 Shift 2 Paper

Question : 123 of 200

Marks: +1, -0

a/b = 7 /9 , = b/ c = 3/5

then the value of a : b : c is

Solution:

Given =

a/b = 7 /9 , b/ c = 3/5

⇒

a/b = 7 /9

-----------(i)
and

b/ c = 3/5

----------(ii)
Multiplying equation (ii) by '3', we get :

b/c=9/15

Now, the value of is same in both equation, ⇒ a : b : c = 7 : 9 : 15

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