13. A man is going on his car at a rate of 40 km/hr. After 80 km he rests for 10 minutes. How long will it take
for him to cover 160 km ?
(A) 2 hr 10 minutes
(B) 4 hr 10 minutes
(C) 5 hr 15 minutes
(D) 15 hr 10 minutes
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Answer:
time= 80/40
=2hours+ 10min
time= 160/40
= 4 hours +20 min
total time= 4 hours 20 minutes
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