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Question

The sum of three numbers is 98. 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 


A
30
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B
20
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C
10
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D
40
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Solution

The correct option is A 30

Let the three parts be A, B and C. Then,

A:B=2:3 
and
B:C=5:8
B:C=5×35:8×35
=3:245

A:B:C=2:3:245=10:15:24

B=1549×98=30  


Mathematics

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