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```
a car travels from stop a to stop b at speed of 30 km per hour and returns back at speed of 50 kmper hour. find the total distance
a car travels from stop a to stop b at speed of 30 km per hour and returns back at speed of 50 kmper hour. find the total distance

```
3 years ago

Arun
25768 Points
```							Average speed =total distance /timelet the distance travelled from A to B= x kmthen,total distance travelled = 2x kmtime while going from A to B = D/S                                             =x/30 hourstime while returning = x/50 hourstotal time = x/30 + x/50                =5x+ 3x                     150                 =8x/150                  =4x/75 hoursaverage speed = 2x * 75                                       4x                            37.5 km/hr
```
3 years ago
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### Course Features

• 110 Video Lectures
• Revision Notes
• Test paper with Video Solution
• Mind Map
• Study Planner
• NCERT Solutions
• Discussion Forum
• Previous Year Exam Questions