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If A : B = 2 : 3 and B : C = 4 : 5 then find the ratio of C : A

A. 15 : 8
B. 8 : 15
C. 5 : 4
D. 5 : 20

Anurag Mishra Professor Asked on 29th February 2016 in Maths.

1 Answer(s)

Answer: (A) 15 : 8

Solution:-
A : B = 2: 3 and B : C = 4 : 5
Then, A: B: C = 2 x 4: 3 x 4: 3 x 5
= 8: 12: 15

So, the ratio of C: A = 15: 8.

Hence, the correct answer is option (A) 15: 8.

Anurag Mishra Professor Answered on 1st March 2016.