SHOW THAT EACH OF THE FOLLOWING IS MEANINGLESS. GIVE REASON IN EACH CASE: VC; IL; VVII; IXX
Answers
SoluTion :-
VC ⇝ When a digit of lower value is written to the right or after a digit of higher value, the values of all the digits are added.
-» But in this case, V (5) is smaller than C (100), but it is left to it.
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IL ⇝ In the same way, when a digit of lower value is written to the right or after a digit of higher value, the values of all the digits are added.
-» But in this case, I (1) is smaller than L (50), but it is left to it.
_____________
VVII ⇝The symbol V (5) can never be repeated.
-» But in this case, it was repeated, and so it is invalid.
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IXX ⇝ Nineteen could be written XIX = X + IX (9). Note also how the rule requires X (ten) be placed before IX (nine),
-» IXX would not be an acceptable configuration. Generally the Romans tried to use as few numerals as possible when displaying numbers.
Answer:
V cannot be subtracted by C
I cannot be subtracted by L