RRB NTPC Time, Speed and Distance — practice questions

Explore 7 free Time, Speed and Distance questions in RRB NTPC Mathematics. Open each question or exercise to read its content, reference answers and available explanation.

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Time, Speed and Distance questions and exercises with answers

Showing questions 1–7 of 7.

A man covers half of a journey at $40$ km/hr and the other half at $60$ km/hr. Find his average speed for the whole journey.Read the answer and worked solution →RRB NTPC · Convert km/h to m/sRead the answer and worked solution →A vehicle covers a distance of 180 km in 3 hours at uniform speed. What is its speed?Read the answer and worked solution →Convert a speed of 72 km/h into metres per second (m/s):Read the answer and worked solution →A train 150 m long passes an electric pole in 10 seconds. Find the speed of the train:Read the answer and worked solution →RRB NTPC · Calculate Distance and TimeRead the answer and worked solution →RRB NTPC · Speed Unit ConversionsRead the answer and worked solution →

Worked practice questions

A man covers half of a journey at $40$ km/hr and the other half at $60$ km/hr. Find his average speed for the whole journey.

$45$ km/hr
$48$ km/hr
$50$ km/hr
$52$ km/hr

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Correct answer: B. $48$ km/hr

For equal distances, average speed is the harmonic mean: $\dfrac{2xy}{x+y} = \dfrac{2 \times 40 \times 60}{100} = \dfrac{4800}{100} = 48$ km/hr. Option C ($50$, the arithmetic mean) applies only when *time* is split equally, not distance.

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RRB NTPC · Convert km/h to m/s

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Matching pairs

Left
36 km/h
Right
10 m/s
Left
54 km/h
Right
15 m/s
Left
72 km/h
Right
20 m/s
Left
90 km/h
Right
25 m/s

Instructions

Match speed in km/h to equivalent speed in m/s

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A vehicle covers a distance of 180 km in 3 hours at uniform speed. What is its speed?

50 km/h
60 km/h
55 km/h
65 km/h

Show answer and solution

Correct answer: B. 60 km/h

Speed = Distance / Time = 180 / 3 = 60 km/h.

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