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Question

The sum of three numbers is 98. If the ratio between the first and second number is 2:3 and between second and third be 5:8, then the second number is: 


A
30
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B
20
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C
58
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D
48
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E
None of these
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Solution

The correct option is A 30
Let, the numbers be x, y and z.  Then,
x+y+z=98,xy=23 and yz=58
x=2y3 and z =8y5
So, 2y3+y+8y5=98
or, 49y15=98 or, y=30

Quantitative Aptitude

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