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Question (21)

QN00411

A boy cycles 12 km in 1.5 h. His speed is

(A) 6 km/h
(B) 7 km/h
(C) 8 km/h
(D) 9 km/h

Correct Answer: C

Explanation:

Speed = 12 ÷ 1.5 = 8 km/h.

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Question (22)

QN00412

A car covers 100 km in 2 h and another car covers 150 km in 3 h. Which statement is true?

(A) First car is faster
(B) Second car is faster
(C) Both have same speed
(D) Cannot be compared

Correct Answer: C

Explanation:

Both speeds are 50 km/h.

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Question (23)

QN00413

A motorcycle travels 360 km in 6 h. Speed of the motorcycle is

(A) 50 km/h
(B) 55 km/h
(C) 60 km/h
(D) 65 km/h

Correct Answer: C

Explanation:

Speed = 360 ÷ 6 = 60 km/h.

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Question (24)

QN00414

If distance is measured in kilometre and time in hour, speed is expressed in

(A) m/s
(B) km/h
(C) km/s
(D) m/h

Correct Answer: B

Explanation:

km/h is used when distance is in kilometre and time in hour.

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Question (25)

QN00415

A child runs 80 m in 16 s. The speed of the child is

(A) 3 m/s
(B) 4 m/s
(C) 5 m/s
(D) 6 m/s

Correct Answer: C

Explanation:

Speed = 80 ÷ 16 = 5 m/s.

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Question (26)

QN00416

A truck covers 420 km in 7 h. Distance covered in 3 h at same speed will be

(A) 120 km
(B) 150 km
(C) 180 km
(D) 210 km

Correct Answer: C

Explanation:

Speed = 420 ÷ 7 = 60 km/h, distance = 60 × 3 = 180 km.

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Question (27)

QN00417

Which instrument in vehicles displays speed?

(A) Thermometer
(B) Barometer
(C) Speedometer
(D) Odometer

Correct Answer: C

Explanation:

Speedometer measures vehicle speed.

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Question (28)

QN00418

A bus moving at 54 km/h travels for 20 minutes. Distance covered is

(A) 12 km
(B) 15 km
(C) 18 km
(D) 20 km

Correct Answer: C

Explanation:

20 min = 1/3 h, distance = 54 × 1/3 = 18 km.

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Question (29)

QN00419

A runner completes 600 m in 2 minutes. Speed in m/s is

(A) 3 m/s
(B) 4 m/s
(C) 5 m/s
(D) 6 m/s

Correct Answer: C

Explanation:

2 min = 120 s, speed = 600 ÷ 120 = 5 m/s.

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Question (30)

QN00420

A train covers 90 km in 1.5 h. Its speed is

(A) 45 km/h
(B) 50 km/h
(C) 55 km/h
(D) 60 km/h

Correct Answer: D

Explanation:

Speed = 90 ÷ 1.5 = 60 km/h.

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Question (21)

A boy cycles 12 km in 1.5 h. His speed is

Explanation:

Link:

Question (22)

A car covers 100 km in 2 h and another car covers 150 km in 3 h. Which statement is true?

Explanation:

Link:

Question (23)

A motorcycle travels 360 km in 6 h. Speed of the motorcycle is

Explanation:

Link:

Question (24)

If distance is measured in kilometre and time in hour, speed is expressed in

Explanation:

Link:

Question (25)

A child runs 80 m in 16 s. The speed of the child is

Explanation:

Link:

Question (26)

A truck covers 420 km in 7 h. Distance covered in 3 h at same speed will be

Explanation:

Link:

Question (27)

Which instrument in vehicles displays speed?

Explanation:

Link:

Question (28)

A bus moving at 54 km/h travels for 20 minutes. Distance covered is

Explanation:

Link:

Question (29)

A runner completes 600 m in 2 minutes. Speed in m/s is

Explanation:

Link:

Question (30)

A train covers 90 km in 1.5 h. Its speed is

Explanation:

Link:

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