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प्रश्न
Rohit goes to school by car at 60 km per hour and Manoj goes to school by scooty at 40 km per hour. If they both live in the same locality, find the ratio between the time taken by Rohit and Manoj to reach school.
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उत्तर
Rohit travel by car, speed of the car = 60 km/hr
Manoj travel by scooty, speed of the scooty = 40 km/hr
Since, It is given that, they live in the same locality
Hence, let the distance be k Time taken by Rohit to reach school
= `"Distance"/"Speed"`
= `"K"/60`
Time taken by Manoj to reach school = `"K"/40`
∴ The ratio between the time taken by Rohit and Manoj to reach school
= `"K"/60:"K"/40`
= `1/3:1/2=2:3`
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