Question
Varun and Sandeep started for a car race from the same
point, in the same direction and at the same time on a circular track of length 1635 m with the speeds of 90 km/h and 108 km/h, respectively. After how much time (in s) will they meet again for the first time?Solution
Relative speed = (108 - 90 = 18 ) km/h = {18 x 1000}/{3600} = 5 m/s. Time to meet again = {1635/5} = 327 seconds.
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Select the odd letters from the given alternatives?
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34 : 408
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