A car goes from P to Q at 60 km/h and returns at 40 km/h. The whole trip takes 5 hours. What is the distance from P to Q?
A. 150 km
B. 100 km
C. 120 km
D. 125 km
A. 150 km
B. 100 km
C. 120 km
D. 125 km
Best answer
Answer: C. 120 km
Answer: (C) 120 km
Average speed = \(\frac{2 \times 60 \times 40}{100} = 48\) km/h. Total distance = 48 × 5 = 240 km.
One way = 240 ÷ 2 = 120 km.
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