SSC Government Jobs Exams Numerical Ability Time Distance and Speed

If a car travels a distance with 20% less speed, then it will reach 15 minutes late. What is the usual time (in minutes) taken by the car to travel the same distance?

Read Solution (Total 1)

60 minutes

Let the usual time be 't' minutes and speed be x , then xt = 0.8x*(t+15)
t = 0.8t + 12
0.2t = 12 or t=60
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