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Re: Without stoppage, Kalpana travels bus travels a certain distance with [#permalink]
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Solution:

Without stoppages she travels 60km in 60 min =>1km in every 1 min

With stoppage 45km in 60min

To travel 45km,45 min must have been taken

=>Stoppage time = 60-45 =15 min (option e)

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Re: Without stoppage, Kalpana travels bus travels a certain distance with [#permalink]
TheNightKing wrote:
Without stoppage, Kalpana travel’s bus travels a certain distance with an average speed of 60 km/hr, and with stoppage, it covers the same distance with an average speed of 45 km/hr. On an average, how many minutes per hour does the bus stop during the journey ?
(a) 25 min
(b) 30 min
(c) 45 min
(d) 20 min
(e) 15 min

Speed without stoppage - Speed with stoppage/Speed without stoppage*60

=> \(\frac{60 - 45}{60}*60 = 15\), Answer must be (E) 15 min
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Re: Without stoppage, Kalpana travels bus travels a certain distance with [#permalink]
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Re: Without stoppage, Kalpana travels bus travels a certain distance with [#permalink]
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