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Q.

What is the Hindu-Arabic numeral of CCXXIV?


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a

134

b

345

c

224

d

321 

answer is C.

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Detailed Solution

Roman numerals for 1 to 9, 50, 100, and 500 are represented as;
1 -I
2 - II
3 - III
4 - IV
5 - V
6 - VI
7 - VII
8 - VIII
9 - IX
10 - X
50 - L
100 - C
500 - D
Using the above listed data, CCXXIV can be written as,
CCXXIV = C + C + X + X + IV
CXXIV=100+100+10+10+4
=224
Thus, the Hindu-Arabic numeral of the given Roman numeral is 224.
Hence, option 3 is correct.
 
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What is the Hindu-Arabic numeral of CCXXIV?