A man rides his bicycle for 10 km at an average speed of 12 km/h and further travels 12 km at an average speed of 10 km/h . What is his approximate av - Quantitative Aptitude MCQ Competitive Exam Practice 2026 | ExamTest.live

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A man rides his bicycle for 10 km at an average speed of 12 km/h and further travels 12 km at an average speed of 10 km/h . What is his approximate average speed for the entire trip?

Solution & Step-by-step Explanation

Formula for Average Speed: Average Speed = \frac{Total Distance}{Total Time} Total Distance: D = 10 + 12 = 22 km Total Time (T = t_{1} + t_{2}): t_{1} = \frac{10}{12} = \frac{5}{6} hours t_{2} = \frac{12}{10} = \frac{6}{5} hours T = \frac{5}{6} + \frac{6}{5} = \frac{25 + 36}{30} = \frac{61}{30} hours Calculation: Average Speed = \frac{22}{\frac{61}{30}} = \frac{22 \times 30}{61} = \frac{660}{61} \approx 10.82 km/h The closest value in the options is 10.8 km/h .

Try it yourself before checking the explanation above.

A man rides his bicycle for 10 km at an average speed of 12 km/h and further travels 12 km at an average speed of 10 km/h . What is his approximate average speed for the entire trip?

10.8 km/h

8.10 km/h

8.19 km/h

8 km/h

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