A) 27 years
B) 21 years
C) 25 years
D) 22 years
Correct Answer: B
Solution :
Let A?s present age and B?s present age be 7x and 9x respectively. Then, 9 years ago, \[(-8,0)\] \[\left( -\frac{4}{3},2 \right)\] \[\frac{x}{x-1}+\frac{x-1}{x}=2\frac{1}{2}\]yrs \[(5,4)\] A?s present age \[(5,-4)\]yrs.You need to login to perform this action.
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