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Question (31)

QN0018550

If Reema wanted to write a number using modern Indian numerals, which set would she use?

(A) I, V, X, L
(B) 0–9
(C) Greek letters
(D) Tally marks

Correct Answer: B

Explanation:

Modern Indian numerals use digits 0–9.

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Question (32)

QN0018551

Which statement best explains why the Hindu number system became widely accepted?

(A) It uses only symbols for large numbers.
(B) It allows efficient representation and calculations.
(C) It avoids the use of zero.
(D) It uses Roman symbols.

Correct Answer: B

Explanation:

It simplifies writing and computation.

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Question (33)

QN0018552

The term “Hindu numerals” refers mainly to:

(A) A religion
(B) A geographical origin
(C) A language
(D) A kingdom

Correct Answer: B

Explanation:

It refers to the people and geography from which the numerals came.

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Question (34)

QN0018553

If a village counted 120 animals, then acquired 80 more, the total number of animals would be:

(A) 180
(B) 190
(C) 200
(D) 220

Correct Answer: C

Explanation:

120 + 80 = 200.

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Question (35)

QN0018554

A record mentions 1000 sacks of grain and 10,000 sacks in another year. The increase is:

(A) 8000
(B) 9000
(C) 10000
(D) 11000

Correct Answer: B

Explanation:

10000 − 1000 = 9000.

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Question (36)

QN0018555

Which of the following is a conceptual advantage of modern numerals over many ancient systems?

(A) Need for infinitely many symbols
(B) No use of place value
(C) Fixed symbol value only
(D) Efficient representation using a small set of digits

Correct Answer: D

Explanation:

A small set of digits can represent all numbers.

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Question (37)

QN0018556

If a merchant recorded 999 items and then added 1 more item, the total becomes:

(A) 100
(B) 1000
(C) 9990
(D) 1001

Correct Answer: B

Explanation:

999 + 1 = 1000.

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Question (38)

QN0018557

Reema’s curiosity was sparked primarily because:

(A) She found gold coins
(B) She discovered a map
(C) She saw unfamiliar symbols representing numbers
(D) She learned a new language

Correct Answer: C

Explanation:

The strange symbols made her curious.

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Question (39)

QN0018558

Which idea from the subtopic best reflects the evolution of modern numbers?

(A) Counting was never needed in ancient times.
(B) Number representation evolved over time across different regions.
(C) Modern numerals appeared suddenly.
(D) All civilizations used the same symbols.

Correct Answer: B

Explanation:

Number systems evolved gradually across civilizations.

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Question (40)

QN0018559

Reema found a paper containing strange symbols from an ancient civilisation. Which civilisation did her father mention?

(A) Egyptian
(B) Roman
(C) Mesopotamian
(D) Chinese

Correct Answer: C

Explanation:

Her father explained that the symbols belonged to the Mesopotamian civilisation.

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Question (31)

If Reema wanted to write a number using modern Indian numerals, which set would she use?

Explanation:

Link:

Question (32)

Which statement best explains why the Hindu number system became widely accepted?

Explanation:

Link:

Question (33)

The term “Hindu numerals” refers mainly to:

Explanation:

Link:

Question (34)

If a village counted 120 animals, then acquired 80 more, the total number of animals would be:

Explanation:

Link:

Question (35)

A record mentions 1000 sacks of grain and 10,000 sacks in another year. The increase is:

Explanation:

Link:

Question (36)

Which of the following is a conceptual advantage of modern numerals over many ancient systems?

Explanation:

Link:

Question (37)

If a merchant recorded 999 items and then added 1 more item, the total becomes:

Explanation:

Link:

Question (38)

Reema’s curiosity was sparked primarily because:

Explanation:

Link:

Question (39)

Which idea from the subtopic best reflects the evolution of modern numbers?

Explanation:

Link:

Question (40)

Reema found a paper containing strange symbols from an ancient civilisation. Which civilisation did her father mention?

Explanation:

Link:

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