Tag: knowing our numbers
Questions Related to knowing our numbers
The least two digit composite number is
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$11$
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$12$
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$10$
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$16$
The Roman numeral for $1000$ is
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$V$
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$L$
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$D$
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$M$
Roman numeral for $1000$ is $M$
Roman numeral for the greatest three digit number is
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IXIXIX
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CMIXIX
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CMXCIX
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CMIC
$=900+90+9=999$
Numerals that cannot be subtracted in Roman system are
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$V, L $ and $ D$
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$I, X$ and $ V$
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$C$
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$M$
We can only subtract powers of ten ($I, X,$ or $C$ , but not $V$ or $L$)
Hence, Numerals that cannot be subtracted in Roman system are $V, L$ and $D$.
Hindu-Arabic numeral for MCDXVIII is
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1618
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1405
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1418
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1481
(C) MCDXVIII
1000+(500-100)+10+5+3=1418
Numerals that can be repeated in Roman system are
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$I, X \ and\ C$
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$I, V \ and\ X$
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$V, L\ and\ D$
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$D$
As per the rules of writing Roman numbers, Only $I, X, C$, and $M$ can be repeated; $ V, L$ , and $ D$ cannot be repeated.
Hence, Numerals that can be repeated in Roman system are $I, X \ and \ C $
Roman numeral for the greatest single digit number is
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XI
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IC
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IX
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ID
$IX=9$
X can be subtracted from
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$L$ and $ C$
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$D$ and $ M$
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$D $ only
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$M $ only
While writing Roman Numbers, do not subtract a number from one that is more than $10$ times greater (that is, you can subtract $1$ from $10 [IX]$ but not $ 1$ from $ 20$ there is no such number as $ IXX.)$
Hence,$ X (10)$ can be subtracted from $ L (50) \ and \ C (100)$
Write $39$ in roman numbers
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XXXIX
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XXXXI
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XXXX
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None of these
Roman numerals for $498$
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CDCXVIII
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CDCXIV
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CDXCVIII
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CDXCVII
The Roman numerals are represented by the following letters:
I = 1
V = 5
X = 10
L = 50
C = 100
D = 500
M = 1000
If a numeral is followed by another numeral of lower denomination, the two are added together;
if it is preceded by one of lower denomination, the smaller numeral is subtracted from the greater.