A) 32 yr
B) 40 yr
C) 68 yr
D) None of these
Correct Answer: D
Solution :
Let the present age of A and B are 4x years and 5x yr respectively. \[\Rightarrow \] \[5x-4x=8\] \[\therefore \] \[x=8\] \[\therefore \] Required sum \[=5x+4x=9\times 8=72\,yr\]You need to login to perform this action.
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