1.

A man rides at the rate of 18 km/h but stops for 6 min. to change horses at the end of every 7th km. The time that he will take to cover a distance of 90 km is :

A. 6 h
B. 6 h 12 min
C. 6 h 18 min
D. 6 h 24 min
Answer» C. 6 h 18 min


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