Quantitative Aptitude : Ratio and Proportion : Discussion


A:B = 3:4, B:C = 8:10, C:D = 15:17 then A:B:C:D will be -

A. 9:3:12:17
B. 9:15:12:17
C. 3:15:17:12
D. 9:12:15:17

Answer: Option D

Explanation:

A:B = 3:4

B:C = 8:10

C:D = 15:17

A:B:C:D = 3 X 8 X 15 : 4 X 8 15 : 4 X 10 X 15 : 4 X 10 17

= 9 : 12 : 15 : 17


Comments:

syacool said: (Sat, Nov 23, 2013 08:41:18 AM)
Pls explain how the 9 12 are coming


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