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Allowed Time - 15 sec
Best Time - 1.448
The ratio of speeds of two cars is 4 : 5. If the faster car covers 300 km in 3 hours, how long will the slower car take?
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#B
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Explanation:
Faster car’s speed = 300/3 = 100 km/h.
Slower = 100 × 4/5 = 80 km/h.
Time = 300/80 = 3.75 ≈ 4 hours.
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