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Question (31)

QN0018590

Which important digit is absent in the Roman number system?

(A) 1
(B) 5
(C) 10
(D) 0

Correct Answer: D

Explanation:

Roman numerals do not have a symbol for zero.

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Question (32)

QN0018591

Which statement correctly defines a numeral?

(A) A counting method
(B) A symbol used to represent a number
(C) A place value rule
(D) A mathematical operation

Correct Answer: B

Explanation:

A numeral is a symbol used to represent a number.

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Question (33)

QN0018592

Which statement best defines a number system?

(A) A set of mathematical operations
(B) A sequence of symbols with a fixed order used to represent numbers
(C) A method of drawing figures
(D) A table of values

Correct Answer: B

Explanation:

A number system uses symbols in a fixed order to represent numbers.

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Question (34)

QN0018593

Which of the following Roman numerals equals 63?

(A) LXIII
(B) LXIV
(C) LXII
(D) LXVI

Correct Answer: A

Explanation:

LXIII = 50 + 10 + 3 = 63.

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Question (35)

QN0018594

What is the value of VII × IX?

(A) 56
(B) 63
(C) 72
(D) 81

Correct Answer: B

Explanation:

VII = 7 and IX = 9, so 7 × 9 = 63.

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Question (36)

QN0018595

What is the Roman numeral for 63?

(A) LXII
(B) LXIII
(C) LXIV
(D) LXV

Correct Answer: B

Explanation:

63 = 50 + 10 + 3 = LXIII.

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Question (37)

QN0018596

Why are calculations generally easier in the Hindu number system than in the Roman system?

(A) Hindu numerals use more symbols
(B) Hindu numerals have no place value
(C) Hindu numerals use place value and zero
(D) Roman numerals use fewer letters

Correct Answer: C

Explanation:

Place value and zero make calculations easier.

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Question (38)

QN0018597

Which system discussed in the section uses only two basic number words, urapon and ukasar, for counting?

(A) Roman system
(B) Egyptian system
(C) Gumulgal system
(D) Chinese system

Correct Answer: C

Explanation:

Urapon and ukasar belong to the Gumulgal number system.

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Question (39)

QN0018598

If V × D is calculated using Hindu numerals, what is the product?

(A) 500
(B) 1000
(C) 2500
(D) 5000

Correct Answer: C

Explanation:

V = 5 and D = 500, so 5 × 500 = 2500.

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Question (40)

QN0018599

Which statement correctly compares the Hindu and Roman number systems?

(A) Both are place value systems.
(B) Neither system uses symbols.
(C) Hindu system uses zero and place value, while Roman system does not.
(D) Roman system uses zero and Hindu system does not.

Correct Answer: C

Explanation:

The Hindu system uses zero and place value, unlike the Roman system.

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Question (31)

Which important digit is absent in the Roman number system?

Explanation:

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Question (32)

Which statement correctly defines a numeral?

Explanation:

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Question (33)

Which statement best defines a number system?

Explanation:

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Question (34)

Which of the following Roman numerals equals 63?

Explanation:

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Question (35)

What is the value of VII × IX?

Explanation:

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Question (36)

What is the Roman numeral for 63?

Explanation:

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Question (37)

Why are calculations generally easier in the Hindu number system than in the Roman system?

Explanation:

Link:

Question (38)

Which system discussed in the section uses only two basic number words, urapon and ukasar, for counting?

Explanation:

Link:

Question (39)

If V × D is calculated using Hindu numerals, what is the product?

Explanation:

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Question (40)

Which statement correctly compares the Hindu and Roman number systems?

Explanation:

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