While driving his car at a speed of 50km/he,Ram covers a distance to his office in 1 hour 30 min.One day he was 15 minutes late from his home. In order to reach office at time , what should be the speed of the car?
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Answer:
speed of the car is 60 km/hr
Step-by-step explanation:
Speed of the car v = 50 km/hr
Time taken t= 1 hour 30 min = 1.5 hr
Distance between home and office is
V= s/t
50= s/ 1.5
s= 75 km
One day he was 15 minutes late from his home( take 15 minuts as 0.25 hours). In order to reach office at time he should increase the speed
v= 75 /(1.5-0.25)
v= 60 km /hr
speed of the car is 60 km/hr
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