Quantitative Aptitude – TSD – A straight road connects points A and B
Slot – 1 – Quantitative Aptitude – TSD – A straight road connects points A and B
Q. A straight road connects points A and B. Car 1 travels from A to B and Car 2 travels
from B to A, both leaving at the same time. After meeting each other, they take 45
minutes and 20 minutes, respectively, to complete their journeys. If Car 1 travels at the
speed of 60 km/hr, then the speed of Car 2, in km/hr, is?
80
100
70
90
Answer: 90
Solutions:
Time for the cars to meet each others = √(45×20)=30 minutes
So ratio of speed = (20+30)/(45+30) = 50/75 = 2/3
60/x = 2/3
X = 90 kmph
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