A city bus starts from station P and finishes at station Q. Between P and Q, it stops at 12 stations for 2 minutes each. When running, the bus runs at a speed of 40 km/hr. The bus covers distance between P and Q in 1 hour and 30 minutes. What is the distance travelled by bus?
Correct Answer: Option B
Bus stops at 12 stations for 2 minutes each. So, bus stopped for a total of 24 minutes.
Total time taken by bus = 1 hour and 30 minutes = 1.5 hours
Total time for which bus ran = 1 hour and 30 minutes – 24 minutes = 1 hour and 6 minutes = 1.1 hours
∴ Distance travelled by bus = Time for which bus ran × Running speed of bus = 1.1 × 40 = 44 km
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