Delhi Police SI Average Speed — practice questions

Explore 2 free Average Speed questions in Delhi Police SI Science. Open each question or exercise to read its content, reference answers and available explanation.

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Average Speed questions and exercises with answers

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An object travels 23 m in 3 s and then another 15 m in 2 s. What is the average speed of the object?Read the answer and worked solution →An object travels 24 m in 3 s and then another 15 m in 2 s. What is the average speed of the object?Read the answer and worked solution →

Worked practice questions

An object travels 23 m in 3 s and then another 15 m in 2 s. What is the average speed of the object?

8.4 m/s
7.6 m/s
8.0 m/s
6.8 m/s

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Correct answer: B. 7.6 m/s

1. Total distance = 23 + 15 = 38 m. 2. Total time = 3 + 2 = 5 s. 3. Average speed = 38 / 5 = 7.6 m/s. _Source: RRB Group D CEN-02/2018 PYQ, Q.33._

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An object travels 24 m in 3 s and then another 15 m in 2 s. What is the average speed of the object?

6.67 m/s
8.0 m/s
9.75 m/s
7.8 m/s

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Correct answer: D. 7.8 m/s

1. Total distance = 24 + 15 = 39 m. 2. Total time = 3 + 2 = 5 s. 3. Average speed = 39 / 5 = 7.8 m/s. _Source: RRB Group D CEN-02/2018 PYQ, Q.77._