1.

11. Rohit and Roshan travelled a distance by car at 62 km anhour and by scooter at the rate of 20 metres per secondrespectively. The ratio of their speed is(a) 31:33(b) 31:35(c) 31:10(d) 31: 36

Answer»

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d) is the correct answer

option d is the right answer

option d is correct ratio 31:36

option d is the right answer

Option D is tbe right answer

Option d is right answer

a is the correct answer

b) is the correct answer

a) 31:33 is right answer

option d is the right answer

option d is correct answer

option d is correct answer.

62 km/hr = 62000 m /3600 seconds = 155/9.(m/sec)

So the ratio = 155/(9x20) = 31/36

Option D is the answer



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