Rohit and Saurav travelled to Thiruvananthapuram from the same place, each in his own car. Rohit did his onward journey at an average speed of 120 km/h and returned at 50 km/h. Saurav did both the trips at 60 km/h. Among them, Saurav completed the journey in less time.

False

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True

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Solution

The correct option is A
False

Let d be the distance between the starting point and Thiruvanthapuram.

Time taken by Rohit = $\frac{d}{120} + \frac{d}{50}$ = 0.02833 d
Time taken by Saurav = $\frac{d}{60} + \frac{d}{60}$ = 0.0333 d
Rohit made the journey in less time.

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Rohit and Saurav travelled to Thiruvananthapuram from the same place, each in his own car. Rohit did his onward journey at an average speed of 120 km/h and returned at 50 km/h. Saurav did both the trips at 60 km/h. Among them, Saurav completed the journey in less time.

The correct option is A False Let d be the distance between the starting point and Thiruvanthapuram. Time taken by Rohit = d120+d50 = 0.02833 d Time taken by Saurav = d60+d60 = 0.0333 d Rohit made the journey in less time.

The correct option is A
False

Let d be the distance between the starting point and Thiruvanthapuram.

Time taken by Rohit = $\frac{d}{120} + \frac{d}{50}$ = 0.02833 d
Time taken by Saurav = $\frac{d}{60} + \frac{d}{60}$ = 0.0333 d
Rohit made the journey in less time.