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Quantitative Aptitude
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Manoj takes 30 seconds to cover a distance of 270 m on increasing his speed by 60%. If he travels at his original speed, how much time will he take to cover the same distance?
AnswerClick to flip back
A
48 seconds
💡 Explanation:
Present speed of Manoj = 270/30 = 9 m/s
Let his initial speed be x m/s. His increased speed: 1.6 x = 9/1.6 = 45/8 m/s
So, time taken = 270/(45/8) = 48 sec