A) 13 hours 20 min.
B) 16 hours 30 min.
C) 14 hours 10 min.
D) 15 hours 40 min.
Correct Answer: A
Solution :
(a): By logic of Q-2, we get Time \[=\frac{1}{\frac{1}{24}+\frac{1}{30}}=\frac{24\times 30}{24+30}\] \[=\frac{24\times 30}{54}=\frac{240}{18}=\frac{40}{3}\] = 13 hrs.20min.You need to login to perform this action.
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