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Question (1)

QN0031268

A tailor measures a cloth piece as 2 m 35 cm. What is the total length of the cloth in centimetres?

(A) 205 cm
(B) 230 cm
(C) 235 cm
(D) 250 cm

Correct Answer: C

Explanation:

2 m = 200 cm. Therefore, total length = 200 cm + 35 cm = 235 cm.

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Question (2)

QN0031269

Five students measured the same desk using their handspans and obtained different values. The most likely reason is that

(A) the desk changed its length
(B) handspan is a non-standard unit
(C) all students measured incorrectly
(D) the desk was not straight

Correct Answer: B

Explanation:

Handspan differs from person to person, so measurements vary. Hence, it is a non-standard unit.

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Question (3)

QN0031270

A road sign shows "Patna 120 km". After travelling some distance, the next sign shows "Patna 95 km". How far has the vehicle travelled?

(A) 15 km
(B) 20 km
(C) 25 km
(D) 30 km

Correct Answer: C

Explanation:

Distance travelled = 120 km – 95 km = 25 km.

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Question (4)

QN0031271

A student measures a pencil with a broken scale. One end of the pencil is at 2.5 cm and the other at 14.8 cm. What is the length of the pencil?

(A) 12.3 cm
(B) 17.3 cm
(C) 11.8 cm
(D) 10.5 cm

Correct Answer: A

Explanation:

Length = Final reading – Initial reading = 14.8 cm – 2.5 cm = 12.3 cm.

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Question (5)

QN0031272

Which of the following combinations contains only standard units of length?

(A) Handspan, foot, metre
(B) Metre, centimetre, kilometre
(C) Finger, inch, metre
(D) Cubit, metre, foot

Correct Answer: B

Explanation:

Metre, centimetre and kilometre are standard SI units of length.

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Question (6)

QN0031273

A notebook is 24 cm long. Approximately how many coins of diameter 2 cm placed edge to edge are required to cover its length?

(A) 10
(B) 12
(C) 14
(D) 16

Correct Answer: B

Explanation:

Number of coins = Length of notebook ÷ Diameter of coin = 24 ÷ 2 = 12.

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Question (7)

QN0031274

A child wants to measure the circumference of a water bottle. Which instrument is most suitable?

(A) Metre rod
(B) 15-cm scale
(C) Flexible measuring tape
(D) Foot ruler only

Correct Answer: C

Explanation:

Curved surfaces are best measured using a flexible measuring tape.

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Question (8)

QN0031275

If 1 page of a book is too thin to measure directly, the best method is to

(A) ignore the thickness
(B) measure 100 pages together and divide by 100
(C) estimate by eyesight
(D) use handspan

Correct Answer: B

Explanation:

Measuring many pages together and dividing by the number of pages gives a more accurate value.

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Question (9)

QN0031276

A cyclist's wheel has an outer boundary length of 2 m. If the wheel completes 150 turns, what distance does the bicycle travel?

(A) 150 m
(B) 200 m
(C) 300 m
(D) 450 m

Correct Answer: C

Explanation:

Distance travelled = Circumference × Number of turns = 2 × 150 = 300 m.

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Question (10)

QN0031277

A student observes passengers sitting in a moving bus. With respect to the bus, the passengers are

(A) in linear motion
(B) at rest
(C) in circular motion
(D) in oscillatory motion

Correct Answer: B

Explanation:

Since the passengers do not change their positions with respect to the bus, they are at rest.

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Question (1)

A tailor measures a cloth piece as 2 m 35 cm. What is the total length of the cloth in centimetres?

Explanation:

Link:

Question (2)

Five students measured the same desk using their handspans and obtained different values. The most likely reason is that

Explanation:

Link:

Question (3)

A road sign shows "Patna 120 km". After travelling some distance, the next sign shows "Patna 95 km". How far has the vehicle travelled?

Explanation:

Link:

Question (4)

A student measures a pencil with a broken scale. One end of the pencil is at 2.5 cm and the other at 14.8 cm. What is the length of the pencil?

Explanation:

Link:

Question (5)

Which of the following combinations contains only standard units of length?

Explanation:

Link:

Question (6)

A notebook is 24 cm long. Approximately how many coins of diameter 2 cm placed edge to edge are required to cover its length?

Explanation:

Link:

Question (7)

A child wants to measure the circumference of a water bottle. Which instrument is most suitable?

Explanation:

Link:

Question (8)

If 1 page of a book is too thin to measure directly, the best method is to

Explanation:

Link:

Question (9)

A cyclist's wheel has an outer boundary length of 2 m. If the wheel completes 150 turns, what distance does the bicycle travel?

Explanation:

Link:

Question (10)

A student observes passengers sitting in a moving bus. With respect to the bus, the passengers are

Explanation:

Link:

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