A) 6 years
B) 7 years
C) 8 years
D) None of these
Correct Answer: C
Solution :Let the present age of A = 5x years and the present age of B = 7x years Then, \[5x+7x=48\] \[12x=48\] \[x=4\] Hence, the difference in their ages \[=7x-5x\] \[=2x=2\times 4\] \[=8\,\,years\]
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