Home » GMAT » What fraction part of the entire week is the bus on the road?
The number 12 bus is working from 6:00 in the morning to 10:00 P.M on weekdays only. On Saturdays and Sundays the bus goes to the garage 3 times a day for upgrading, each time for 3 hours. For what fraction part of the entire week is the bus on the road?
A. 5/12.
B. 4/7.
C. 7/9.
D. 6/11.
E. 7/12.
Correct Answer: E
Explanation/Reference:
Explanation:
In one week there are (24 x 7 =168) hours.
The bus is on the road everyday, on weekdays he is 16 hours on the road and on Saturdays and Sundays he drives for 9 hours each day. The total amount of hours is (16 x 5 + 18 = 98). The fraction part of the week is (98/168 = 7/12).
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