Default Title

Question (1)

QN0029313

The symbols used to represent numbers in a written number system are called:

(A) Digits only
(B) Numerals
(C) Landmarks
(D) Counters

Correct Answer: B

Explanation:

Numerals are the written symbols used to represent numbers in a number system.

Link:

Report Error

Question (2)

QN0029314

A trader writes the Roman numeral MCDXLV on a box. What Hindu-Arabic numeral does it represent?

(A) 1435
(B) 1445
(C) 1455
(D) 1545

Correct Answer: B

Explanation:

M = 1000, CD = 400, XL = 40 and V = 5. Therefore, the value is 1445.

Link:

Report Error

Question (3)

QN0029315

Which of the following best explains why tally marks become inconvenient for very large numbers?

(A) They require different symbols for each number.
(B) They require one mark for each object counted.
(C) They cannot represent even numbers.
(D) They have no order.

Correct Answer: B

Explanation:

Tally marks require one separate mark for every object, making them lengthy for large numbers.

Link:

Report Error

Question (4)

QN0029316

The Roman numeral CMXLVIII represents:

(A) 938
(B) 948
(C) 958
(D) 968

Correct Answer: B

Explanation:

CM = 900, XL = 40 and VIII = 8. Hence, the number is 948.

Link:

Report Error

Question (5)

QN0029317

Which feature made the Egyptian number system more efficient than simple tally marks?

(A) Use of fractions
(B) Use of landmark numbers
(C) Use of zero
(D) Place value

Correct Answer: B

Explanation:

Egyptians used landmark numbers like 1, 10, 100 and 1000 to represent large numbers efficiently.

Link:

Report Error

Question (6)

QN0029318

In a base-5 number system, the landmark numbers are 1, 5, 25, 125, 625, …. Which landmark number comes next?

(A) 1250
(B) 2500
(C) 3125
(D) 6250

Correct Answer: C

Explanation:

Each landmark number is obtained by multiplying the previous one by 5. Thus, 625 × 5 = 3125.

Link:

Report Error

Question (7)

QN0029319

Which of the following is NOT a characteristic of a positional number system?

(A) Position determines value.
(B) The same symbol may have different values at different places.
(C) Every number requires a new symbol.
(D) Place value is used.

Correct Answer: C

Explanation:

A positional number system uses a limited set of symbols repeatedly according to their positions.

Link:

Report Error

Question (8)

QN0029320

The Roman numeral CDXCVI represents:

(A) 494
(B) 496
(C) 506
(D) 596

Correct Answer: B

Explanation:

CD = 400, XC = 90 and VI = 6. Therefore, the value is 496.

Link:

Report Error

Question (9)

QN0029321

Which civilization independently developed a place value system using a shell symbol for zero?

(A) Romans
(B) Egyptians
(C) Mayans
(D) Greeks

Correct Answer: C

Explanation:

The Mayan civilization used a shell-shaped symbol as the placeholder for zero.

Link:

Report Error

Question (10)

QN0029322

In a base-7 system, the fourth landmark number is:

(A) 49
(B) 2401
(C) 343
(D) 729

Correct Answer: C

Explanation:

Landmark numbers are 7⁰ = 1, 7¹ = 7, 7² = 49 and 7³ = 343.

Link:

Report Error

Question (1)

The symbols used to represent numbers in a written number system are called:

Explanation:

Link:

Question (2)

A trader writes the Roman numeral MCDXLV on a box. What Hindu-Arabic numeral does it represent?

Explanation:

Link:

Question (3)

Which of the following best explains why tally marks become inconvenient for very large numbers?

Explanation:

Link:

Question (4)

The Roman numeral CMXLVIII represents:

Explanation:

Link:

Question (5)

Which feature made the Egyptian number system more efficient than simple tally marks?

Explanation:

Link:

Question (6)

In a base-5 number system, the landmark numbers are 1, 5, 25, 125, 625, …. Which landmark number comes next?

Explanation:

Link:

Question (7)

Which of the following is NOT a characteristic of a positional number system?

Explanation:

Link:

Question (8)

The Roman numeral CDXCVI represents:

Explanation:

Link:

Question (9)

Which civilization independently developed a place value system using a shell symbol for zero?

Explanation:

Link:

Question (10)

In a base-7 system, the fourth landmark number is:

Explanation:

Link:

Excel With Tutors

ExcelWithTutors

For Student

For Tutors

Learn

OUR POLICY