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Time, Speed & Distance · Question 3 of 71

Question 3

EasyOriginal question

Meenakshi cycles 23 km from her village to the district library in 1 hour 15 minutes. What is her average speed?

Options for question 3

Show the answer and explanation
CorrectNot quiteAnswer A

Correct answer: A

Explanation

  1. 1 hour 15 minutes = 11560=1.251\frac{15}{60} = 1.25 hours.

  2. Speed =231.25=18.4= \frac{23}{1.25} = 18.4 km/h.

Worth noting

Writing 1 h 15 min as 1.15 h gives 20 km/h. Minutes must be divided by 60, not written after the decimal point.

Concept
Speed = distance ÷ time, with minutes converted to hours
Typical time
40 s
Your time
—
The rule this testsSpeed, conversion and average speed
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