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Question (11)

QN00431

A person walks 900 m in 15 minutes. Speed in m/s is

(A) 0.5 m/s
(B) 1 m/s
(C) 1.5 m/s
(D) 2 m/s

Correct Answer: B

Explanation:

15 min = 900 s, speed = 900 ÷ 900 = 1 m/s.

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Question (12)

QN00432

Which quantity is measured in km/h?

(A) Force
(B) Speed
(C) Mass
(D) Density

Correct Answer: B

Explanation:

Speed is commonly measured in km/h.

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Question (13)

QN00433

A train moving at 90 km/h takes how much time to cover 180 km?

(A) 1 h
(B) 2 h
(C) 3 h
(D) 4 h

Correct Answer: B

Explanation:

Time = 180 ÷ 90 = 2 h.

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Question (14)

QN00434

A car travels 100 m in 5 s. Its speed is

(A) 10 m/s
(B) 15 m/s
(C) 20 m/s
(D) 25 m/s

Correct Answer: C

Explanation:

Speed = 100 ÷ 5 = 20 m/s.

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Question (15)

QN00435

The speed of a moving object becomes greater when it

(A) covers less distance in more time
(B) covers more distance in less time
(C) remains at rest
(D) changes direction only

Correct Answer: B

Explanation:

Greater distance in lesser time means greater speed.

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Question (16)

QN00436

A cyclist covers 18 km in 2 h. Speed of the cyclist is

(A) 7 km/h
(B) 8 km/h
(C) 9 km/h
(D) 10 km/h

Correct Answer: C

Explanation:

Speed = 18 ÷ 2 = 9 km/h.

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Question (17)

QN00437

A car moving at 72 km/h travels for 30 minutes. Distance covered is

(A) 24 km
(B) 30 km
(C) 36 km
(D) 42 km

Correct Answer: C

Explanation:

30 min = 0.5 h, distance = 72 × 0.5 = 36 km.

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Question (18)

QN00438

The speed of an object is 25 m/s. Distance covered in 12 s is

(A) 250 m
(B) 275 m
(C) 300 m
(D) 325 m

Correct Answer: C

Explanation:

Distance = 25 × 12 = 300 m.

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Question (19)

QN00439

Which of the following has the highest speed?

(A) 20 km in 2 h
(B) 45 km in 3 h
(C) 80 km in 4 h
(D) 90 km in 3 h

Correct Answer: D

Explanation:

90 ÷ 3 = 30 km/h, which is the highest.

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Question (20)

QN00440

A bus covers 240 km in 4 h. Time taken to cover 60 km at same speed is

(A) 30 min
(B) 45 min
(C) 1 h
(D) 1.5 h

Correct Answer: C

Explanation:

Speed = 240 ÷ 4 = 60 km/h, so time = 60 ÷ 60 = 1 h.

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Question (11)

A person walks 900 m in 15 minutes. Speed in m/s is

Explanation:

Link:

Question (12)

Which quantity is measured in km/h?

Explanation:

Link:

Question (13)

A train moving at 90 km/h takes how much time to cover 180 km?

Explanation:

Link:

Question (14)

A car travels 100 m in 5 s. Its speed is

Explanation:

Link:

Question (15)

The speed of a moving object becomes greater when it

Explanation:

Link:

Question (16)

A cyclist covers 18 km in 2 h. Speed of the cyclist is

Explanation:

Link:

Question (17)

A car moving at 72 km/h travels for 30 minutes. Distance covered is

Explanation:

Link:

Question (18)

The speed of an object is 25 m/s. Distance covered in 12 s is

Explanation:

Link:

Question (19)

Which of the following has the highest speed?

Explanation:

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Question (20)

A bus covers 240 km in 4 h. Time taken to cover 60 km at same speed is

Explanation:

Link:

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