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Q.
The sum of three numbers is 98. If the ratio of the first to the second is 2:3. And that of the second to the third is 5:8, then the second number is:
A.
10
B.
15
C.
20
D.
30
View Answer
Correct choice: D
Explanation:
Let the three parts M, N, O. Then, M:N = 2:3 and N:O = 5:8 = (5 x 3/5) : (8 x 3/5) = 3:24/5 M:N:O = 2:3:24/5 = 10:15:24 => N = 98 x 15/49 = 30.
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