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Question (1)

QN0015349

Which of the following is the standard unit of length in the SI system?

(A) Centimetre
(B) Metre
(C) Kilometre
(D) Millimetre

Correct Answer: B

Explanation:

Metre is the SI unit of length.

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Question (2)

QN0015350

Which unit is most suitable for measuring the thickness of a coin?

(A) Kilometre
(B) Metre
(C) Millimetre
(D) Hectometre

Correct Answer: C

Explanation:

Thickness of small objects is measured in millimetres.

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Question (3)

QN0015351

How many centimetres are there in 1 metre?

(A) 10
(B) 100
(C) 1000
(D) 10000

Correct Answer: B

Explanation:

1 metre = 100 centimetres.

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Question (4)

QN0015352

How many metres are there in 1 kilometre?

(A) 10
(B) 100
(C) 1000
(D) 10000

Correct Answer: C

Explanation:

1 kilometre = 1000 metres.

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Question (5)

QN0015353

A ribbon is 250 cm long. Its length in metres is:

(A) 2.5 m
(B) 25 m
(C) 0.25 m
(D) 2500 m

Correct Answer: A

Explanation:

250 ÷ 100 = 2.5 m.

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Question (6)

QN0015354

Which unit is most appropriate for measuring the distance between two cities?

(A) Millimetre
(B) Centimetre
(C) Metre
(D) Kilometre

Correct Answer: D

Explanation:

Long distances are measured in kilometres.

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Question (7)

QN0015355

Convert 4.5 m into centimetres.

(A) 45 cm
(B) 450 cm
(C) 4500 cm
(D) 4.5 cm

Correct Answer: B

Explanation:

4.5 × 100 = 450 cm.

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Question (8)

QN0015356

Which of the following lengths is the greatest?

(A) 900 cm
(B) 8 m
(C) 0.007 km
(D) 7500 mm

Correct Answer: A

Explanation:

900 cm = 9 m, which is greatest.

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Question (9)

QN0015357

How many millimetres are there in 1 centimetre?

(A) 10
(B) 100
(C) 1000
(D) 0.1

Correct Answer: A

Explanation:

1 cm = 10 mm.

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Question (10)

QN0015358

A wire is 3 m 40 cm long. What is its length in centimetres?

(A) 304 cm
(B) 340 cm
(C) 34 cm
(D) 3004 cm

Correct Answer: B

Explanation:

3 m = 300 cm; 300 + 40 = 340 cm.

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Question (1)

Which of the following is the standard unit of length in the SI system?

Explanation:

Link:

Question (2)

Which unit is most suitable for measuring the thickness of a coin?

Explanation:

Link:

Question (3)

How many centimetres are there in 1 metre?

Explanation:

Link:

Question (4)

How many metres are there in 1 kilometre?

Explanation:

Link:

Question (5)

A ribbon is 250 cm long. Its length in metres is:

Explanation:

Link:

Question (6)

Which unit is most appropriate for measuring the distance between two cities?

Explanation:

Link:

Question (7)

Convert 4.5 m into centimetres.

Explanation:

Link:

Question (8)

Which of the following lengths is the greatest?

Explanation:

Link:

Question (9)

How many millimetres are there in 1 centimetre?

Explanation:

Link:

Question (10)

A wire is 3 m 40 cm long. What is its length in centimetres?

Explanation:

Link:

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