A) 11min. 40sec.
B) 10 sec.
C) 1 min. 17 sec.
D) 10 min. 17 sec.
Correct Answer: A
Solution :
Required time \[=\frac{1200+900}{(15-12)}\] \[=\frac{2100}{3}\] \[=700\sec \] \[=11\,\,min.40sec.\]You need to login to perform this action.
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