A) 8.00 a.m.
B) 8.30 a.m.
C) 9.00 a.m.
D) 10.00a.m.
Correct Answer: C
Solution :
If A and B meet after t hours, then \[4t+61=20\] \[\Rightarrow \] \[10t=20\] \[\Rightarrow \] \[t=\frac{20}{10}=2\] hours. Hence, both will meet at 9 a.m.
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