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Question (11)

QN0032585

A nail is 48 mm long. Which is the correct way to write its length?

(A) 4 cm 8 mm
(B) 48 cm
(C) 8 cm 4 mm
(D) 4 mm 8 cm

Correct Answer: A

Explanation:

48 mm = 4 cm 8 mm.

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Question (12)

QN0032586

Which is shorter?

(A) 29 mm
(B) 3 cm
(C) Both are equal
(D) Cannot be compared

Correct Answer: A

Explanation:

3 cm = 30 mm. Therefore, 29 mm is shorter.

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Question (13)

QN0032587

9 cm is equal to:

(A) 9 mm
(B) 90 mm
(C) 900 mm
(D) 99 mm

Correct Answer: B

Explanation:

9 × 10 = 90 mm.

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Question (14)

QN0032588

A paper clip is 35 mm long. How many millimetres more are needed to make it 5 cm long?

(A) 5 mm
(B) 10 mm
(C) 15 mm
(D) 20 mm

Correct Answer: C

Explanation:

5 cm = 50 mm. 50 − 35 = 15 mm.

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Question (15)

QN0032589

Which of the following equals 92 mm?

(A) 9 cm 2 mm
(B) 92 cm
(C) 2 cm 9 mm
(D) 90 cm 2 mm

Correct Answer: A

Explanation:

92 mm = 90 mm + 2 mm = 9 cm 2 mm.

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Question (16)

QN0032590

A line is 8 cm 4 mm long. What is its length in millimetres?

(A) 804 mm
(B) 84 mm
(C) 44 mm
(D) 8004 mm

Correct Answer: B

Explanation:

8 cm = 80 mm. 80 + 4 = 84 mm.

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Question (17)

QN0032591

Which is the longest?

(A) 68 mm
(B) 7 cm
(C) 69 mm
(D) 6 cm 8 mm

Correct Answer: B

Explanation:

7 cm = 70 mm, which is the greatest.

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Question (18)

QN0032592

Convert 27 mm into centimetres and millimetres.

(A) 2 cm 7 mm
(B) 7 cm 2 mm
(C) 27 cm
(D) 20 cm 7 mm

Correct Answer: A

Explanation:

27 mm = 20 mm + 7 mm = 2 cm 7 mm.

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Question (19)

QN0032593

A screw is 52 mm long. Another screw is 5 cm long. How much longer is the first screw?

(A) 1 mm
(B) 2 mm
(C) 3 mm
(D) 5 mm

Correct Answer: B

Explanation:

5 cm = 50 mm. Difference = 52 − 50 = 2 mm.

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Question (20)

QN0032594

Why are millimetres used for measuring tiny objects?

(A) They make measurements less accurate.
(B) They help measure small lengths more precisely.
(C) They are larger than centimetres.
(D) They are only used for roads.

Correct Answer: B

Explanation:

Millimetres provide greater precision when measuring very small objects.

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Question (11)

A nail is 48 mm long. Which is the correct way to write its length?

Explanation:

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Question (12)

Which is shorter?

Explanation:

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Question (13)

9 cm is equal to:

Explanation:

Link:

Question (14)

A paper clip is 35 mm long. How many millimetres more are needed to make it 5 cm long?

Explanation:

Link:

Question (15)

Which of the following equals 92 mm?

Explanation:

Link:

Question (16)

A line is 8 cm 4 mm long. What is its length in millimetres?

Explanation:

Link:

Question (17)

Which is the longest?

Explanation:

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Question (18)

Convert 27 mm into centimetres and millimetres.

Explanation:

Link:

Question (19)

A screw is 52 mm long. Another screw is 5 cm long. How much longer is the first screw?

Explanation:

Link:

Question (20)

Why are millimetres used for measuring tiny objects?

Explanation:

Link:

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