Mohan rides a cycle at 8 kmph. After every 10 km he rests for 20 minutes.
He will cover 40 km in :
Option:
A. 5 hrs.
B. 5 hrs 20 min.
C. 6 hrs.
D. 6 hrs 20 min.
Answer: C . 6 hrs.
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Justification:
Time taken to vocer each 10 km.
= 10/8 = 5/4 hrs = 1 hour 15 min.
Rest required after every 10 km = 20 min.
Hence, total tie taken
= 1 hr 15 m + 20 m + 1 hr + 15 m + 20 m + 1 hr 15 min + 20 m + 1 hr 15 m
= 6 hrs.
