Subject
Quantitative Aptitude
Topic
Ratio
The sum of three numbers is If the ratio of the first to second is 2 :3 and that of the second to the third is 5 : 8, then the second number is:
The sum of three numbers is If the ratio of the first to second is 2 :3 and that of the second to the third is 5 : 8, then the second number is:
ক)
20খ)
30গ)
48ঘ)
58Explanation
Let the three parts be A, B, C. Then, A : B = 2 : 3 and B : C = 5 : 8 = 5 x (3/5) : (8 x 3/5) = 3:24/5 => A : B : C = 2 : 3 : 24/5 = 10 : 15 : 24 => B = (98 x 15/49) = 30.Related questions
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