A) 2
B) 3
C) 5
D) 15
Correct Answer: D
Solution :
[d] Let the fraction be \[\frac{x}{y}\] |
\[\frac{x+1}{y+1}=4\] ...(1) |
and \[\frac{x-1}{y-1}=7\] ...(2) |
On solving eqs. (1) and (2), we get |
\[x=15,\,\,\,y=3\] |
i.e.. \[x=15\] |
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