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Roman Numeral Maths Trivia Quiz

In this quiz I will give you a maths problem but with the number substituted for roman numerals. You may need a pen and paper. / means divide and * means multiply.

A multiple-choice quiz by jeffcotton. Estimated time: 3 mins.

Author
jeffcotton

Time
3 mins

Type
Multiple Choice

Quiz #
345,772

Updated
May 28 22

# Qns
10

Difficulty
Average

Avg Score
8 / 10

Plays
755

Last 3 plays: Guest 38 (10/10), Guest 157 (10/10), Guest 71 (2/10).

One at a Time - Single Page - Timed Game

Question 1 of 10

1. IV + X = ?
Which number replaces the question mark to make the question correct? Hint

NEXT>

Question 2 of 10

2. L / ? = X
Which number replaces the question mark to make the question correct? Hint

NEXT>

Question 3 of 10

3. C - IX + VII = ?
Which number replaces the question mark to make the question correct? Hint

108

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Question 4 of 10

4. (M * VI) / III = ?
Which number replaces the question mark to make the question correct? Hint

1000

1500

500

2000

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Question 5 of 10

5. Which of these is the correct formation of roman numerals to create the number 421? Hint

CDXIX

CDII

CDXI

CDXXI

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Question 6 of 10

6. (M + L) + (C * C) = ?
Which number replaces the question mark to make the question correct? Hint

8050

10050

11050

9050

NEXT>

Question 7 of 10

7. (M - C) * L = ?
Which number replaces the question mark to make the question correct? Hint

4500

450000

450

45000

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Question 8 of 10

8. XLII + VII * VII = ?
Which number replaces the question mark to make the question correct? Hint

101

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Question 9 of 10

9. LXXI * ? = DCXXXIX
Which number replaces the question mark to make the question correct? Hint

NEXT>

Question 10 of 10

10. (XIX * IV) / VIII = ?
Which number replaces the question mark to make the question correct? Hint

9.5

10.5

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Most Recent Scores

Dec 10 2024 : Guest 38: 10/10
Nov 29 2024 : Guest 157: 10/10
Nov 25 2024 : Guest 71: 2/10
Nov 07 2024 : Guest 51: 9/10

Score Distribution

Quiz Answer Key and Fun Facts

1. IV + X = ? Which number replaces the question mark to make the question correct?

Answer: 14

X is the roman numeral for 10. V is the symbol for 5 and I is equal to 1. When a lower value is placed in front of a larger value then the lower value is subtracted from the higher value. Therefore, IV is the equal of V - I or four.

To complete the equation, 4 + 10 = 14.

2. L / ? = X Which number replaces the question mark to make the question correct?

Answer: 5

L is the roman numeral for 50. X is the roman numeral for 10. 50 / 5 = 10.

3. C - IX + VII = ? Which number replaces the question mark to make the question correct?

Answer: 98

C = 100. IX = 9. VII = 7.
100 - 9 + 7 = 98

4. (M * VI) / III = ? Which number replaces the question mark to make the question correct?

Answer: 2000

M = 1000. VI = 6. III = 3.
1000 * 6 = 6000.
6000 / 3 = 2000.

5. Which of these is the correct formation of roman numerals to create the number 421?

Answer: CDXXI

C=100, D=500, X=10 and I=1. CD=400.
The other answers equal CDXIX = 419, CDXI = 411 and CDII = 402.

6. (M + L) + (C * C) = ? Which number replaces the question mark to make the question correct?

Answer: 11050

M = 1000. L = 50. C = 100.
1000 + 50 = 1050.
100 * 100 = 10000.
1050 + 10000 = 11050.

7. (M - C) * L = ? Which number replaces the question mark to make the question correct?

Answer: 45000

M = 1000. C = 100. L = 50.
1000 - 100 = 900.
900 * 50 = 45000.

8. XLII + VII * VII = ? Which number replaces the question mark to make the question correct?

Answer: 91

XLII = 42. VII = 7.
7 * 7 = 49.
42 + 49 = 91.

9. LXXI * ? = DCXXXIX Which number replaces the question mark to make the question correct?

Answer: 9

LXXI = 71. DCXXXIX = 639.
71 * ? = 639.
639 / 71 = 9

10. (XIX * IV) / VIII = ? Which number replaces the question mark to make the question correct?

Answer: 9.5

XIX = 19. IV = 4. VIII = 8.
19 * 4 = 76.
76 / 8 = 9.5.

Source: Author jeffcotton

This quiz was reviewed by FunTrivia editor Snowman before going online.
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