a car travels from Mumbai to Agra at a speed of 55 km/h in 2 hour. If the speed is reduced by 15 km /h then, how much more time will the car take to cover the same distance ? answer: 55 x 2 = 40 x X X = 55/20 X = 2.75 hours X = 2 hours + 0.75 x 60 min ---ans----X = 2 hours + 45 min
Answer (1)
Hello there!
Greetings!
It's quite simple, at first speed was 55 km/ hr and time take was 2 hr then distance between Agra and Mumbai = speed time = 552=110 km.
Now , speed is reduced by 15 km then new speed = 55-15 = 40 km/ hr , but distance between Agra and Mumbai is still 110 km only, then new time taken will be = distance / speed = 110/ 40 = 2.75 hours.
Thus , with reduced speed it will take 2.75 hours for the same distance.
Thankyou
Greetings!
It's quite simple, at first speed was 55 km/ hr and time take was 2 hr then distance between Agra and Mumbai = speed time = 552=110 km.
Now , speed is reduced by 15 km then new speed = 55-15 = 40 km/ hr , but distance between Agra and Mumbai is still 110 km only, then new time taken will be = distance / speed = 110/ 40 = 2.75 hours.
Thus , with reduced speed it will take 2.75 hours for the same distance.
Thankyou
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