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Question (31)

QN003985

A length of 1250 mm is equal to

(A) 12.5 cm
(B) 125 cm
(C) 1250 cm
(D) 1.25 cm

Correct Answer: B

Explanation:

1250 ÷ 10 = 125 cm

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Question (32)

QN003986

A railway track between two towns is best measured in

(A) millimetres
(B) centimetres
(C) metres only
(D) kilometres

Correct Answer: D

Explanation:

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Question (33)

QN003987

Which of the following lengths is the greatest?

(A) 950 m
(B) 95,000 cm
(C) 9,500 mm
(D) 0.95 km

Correct Answer: B

Explanation:

95,000 cm = 950 m = 0.95 km, while 9,500 mm = 9.5 m

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Question (34)

QN003988

A cloth piece measures 3 m 20 cm. What is its length in centimetres?

(A) 320 cm
(B) 302 cm
(C) 32 cm
(D) 3002 cm

Correct Answer: A

Explanation:

300 cm + 20 cm = 320 cm

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Question (35)

QN003989

If a scale can measure up to 15 cm, what is its total length in millimetres?

(A) 150 mm
(B) 15 mm
(C) 1500 mm
(D) 1.5 mm

Correct Answer: A

Explanation:

15 × 10 = 150 mm

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Question (36)

QN003990

Which of the following is written correctly according to SI notation?

(A) 15cm
(B) 15 Cms
(C) 15 cm
(D) 15 cms.

Correct Answer: C

Explanation:

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Question (37)

QN003991

A distance of 1.25 km is equal to

(A) 125 m
(B) 1250 m
(C) 12,500 m
(D) 1,25,000 m

Correct Answer: B

Explanation:

1.25 × 1000 = 1250 m

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Question (38)

QN003992

Why is kilometre preferred over metre for long distances?

(A) It gives larger numbers
(B) It is easier and more convenient for expressing large lengths
(C) It is a non-standard unit
(D) It avoids conversions

Correct Answer: B

Explanation:

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Question (39)

QN003993

A metal wire is 0.75 m long. Express it in centimetres.

(A) 7.5 cm
(B) 75 cm
(C) 750 cm
(D) 7500 cm

Correct Answer: B

Explanation:

0.75 × 100 = 75 cm

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Question (40)

QN003994

Which of the following correctly represents the relationship among standard units of length?

(A) 1 km = 100 m, 1 m = 10 cm, 1 cm = 10 mm
(B) 1 km = 1000 m, 1 m = 100 cm, 1 cm = 10 mm
(C) 1 km = 100 cm, 1 m = 1000 cm, 1 cm = 100 mm
(D) 1 km = 10,000 m, 1 m = 100 cm, 1 cm = 100 mm

Correct Answer: B

Explanation:

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Question (31)

A length of 1250 mm is equal to

Explanation:

Link:

Question (32)

A railway track between two towns is best measured in

Explanation:

Link:

Question (33)

Which of the following lengths is the greatest?

Explanation:

Link:

Question (34)

A cloth piece measures 3 m 20 cm. What is its length in centimetres?

Explanation:

Link:

Question (35)

If a scale can measure up to 15 cm, what is its total length in millimetres?

Explanation:

Link:

Question (36)

Which of the following is written correctly according to SI notation?

Explanation:

Link:

Question (37)

A distance of 1.25 km is equal to

Explanation:

Link:

Question (38)

Why is kilometre preferred over metre for long distances?

Explanation:

Link:

Question (39)

A metal wire is 0.75 m long. Express it in centimetres.

Explanation:

Link:

Question (40)

Which of the following correctly represents the relationship among standard units of length?

Explanation:

Link:

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