Submitted by: xxx
1 hour=60 min.So,if a person walks with a speed 15kmph,then he covers 15km in 60 min.
60 min------>15 km
20min------->? =(20*15)/60=5km. So,if this person needs to cover a distance of 5km in 15 min,his speed(per hour),
15 min----->5 km
60 min----->? =(60*5)/15 =20 km
so,he should cover 20 km in 60 min i.e., 20kmph
Ans: 20 kmph
Above answer was rated as good by the following members:
jigar4601, mohan_babu1986
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