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Question

Let A:(B+C)=6:7 and B:(A+C)=8:9. If a sum of Rs. 221 is divided aomng A,B,C, then the shares of A,B,C (in Rupees) respectively will be

A
102,104,15
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B
100,106,15
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C
104,100,17
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D
80,100,41
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Solution

The correct option is B 102,104,15
AB+C=67(1)
BA+C=89(2)
and A+B+C=221(3)
from(1), 7A=6B+6C
C=7A6B6
From (2), BA+C=89
9B=8A+8C
9B=8A+8(7A6B6)
54B=48A+56A48B
102B=104A
B=104A102
C=15A102
From (3)
A+104A102+15A102=221
A=102,B=104,C=15

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