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A man rides his bicycle 10 km at an average speed of 12 km/hr and again travels 12 km at an average speed of 10 km/hr. What is his average speed for the entire trip approximately?
- a)11.2 kmph
- b)10 kmph
- c)10.2 kmph
- d)10.8 kmph
Correct answer is option 'D'. Can you explain this answer?
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Verified Answer
A man rides his bicycle 10 km at an average speed of 12 km/hr and agai...
Most Upvoted Answer
A man rides his bicycle 10 km at an average speed of 12 km/hr and agai...
Total Distance = 10 +12 = 22 km
Total time = 10/12 + 12/10 = 5/6 + 6/5 = 25/30 + 36/30 = 61/30 hours
Average speed = 22 /(61/30) = 660/61 = 10.8 km/ hour
Total time = 10/12 + 12/10 = 5/6 + 6/5 = 25/30 + 36/30 = 61/30 hours
Average speed = 22 /(61/30) = 660/61 = 10.8 km/ hour
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A man rides his bicycle 10 km at an average speed of 12 km/hr and agai...
Solution:
To find the average speed of the entire trip, we need to use the formula:
Average speed = Total distance / Total time
Let's first calculate the total distance traveled by the man:
Total distance = Distance traveled in the first leg + Distance traveled in the second leg
= 10 km + 12 km
= 22 km
Now, let's calculate the total time taken by the man:
Time taken in the first leg = Distance / Speed
= 10 km / 12 km/hr
= 5/6 hr
Time taken in the second leg = Distance / Speed
= 12 km / 10 km/hr
= 6/5 hr
Total time taken = Time taken in the first leg + Time taken in the second leg
= 5/6 hr + 6/5 hr
= 61/30 hr
Now, let's substitute the values in the formula to find the average speed:
Average speed = Total distance / Total time
= 22 km / (61/30) hr
= 10.8 km/hr (approx)
Therefore, the average speed for the entire trip is approximately 10.8 km/hr, which is option (d).
To find the average speed of the entire trip, we need to use the formula:
Average speed = Total distance / Total time
Let's first calculate the total distance traveled by the man:
Total distance = Distance traveled in the first leg + Distance traveled in the second leg
= 10 km + 12 km
= 22 km
Now, let's calculate the total time taken by the man:
Time taken in the first leg = Distance / Speed
= 10 km / 12 km/hr
= 5/6 hr
Time taken in the second leg = Distance / Speed
= 12 km / 10 km/hr
= 6/5 hr
Total time taken = Time taken in the first leg + Time taken in the second leg
= 5/6 hr + 6/5 hr
= 61/30 hr
Now, let's substitute the values in the formula to find the average speed:
Average speed = Total distance / Total time
= 22 km / (61/30) hr
= 10.8 km/hr (approx)
Therefore, the average speed for the entire trip is approximately 10.8 km/hr, which is option (d).
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A man rides his bicycle 10 km at an average speed of 12 km/hr and again travels 12 km at an average speed of 10 km/hr. What is his average speed for the entire trip approximately?a)11.2 kmphb)10 kmphc)10.2 kmph d)10.8 kmphCorrect answer is option 'D'. Can you explain this answer?
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A man rides his bicycle 10 km at an average speed of 12 km/hr and again travels 12 km at an average speed of 10 km/hr. What is his average speed for the entire trip approximately?a)11.2 kmphb)10 kmphc)10.2 kmph d)10.8 kmphCorrect answer is option 'D'. Can you explain this answer? for Quant 2024 is part of Quant preparation. The Question and answers have been prepared according to the Quant exam syllabus. Information about A man rides his bicycle 10 km at an average speed of 12 km/hr and again travels 12 km at an average speed of 10 km/hr. What is his average speed for the entire trip approximately?a)11.2 kmphb)10 kmphc)10.2 kmph d)10.8 kmphCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Quant 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A man rides his bicycle 10 km at an average speed of 12 km/hr and again travels 12 km at an average speed of 10 km/hr. What is his average speed for the entire trip approximately?a)11.2 kmphb)10 kmphc)10.2 kmph d)10.8 kmphCorrect answer is option 'D'. Can you explain this answer?.
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