Maths Class 5 Numerals

Asked by AKSHAY GURU VARADHARAJAN · SRI CHAITANYA TECHNO SCHOOL, JAYANTI NAGAR.

In writing the Roman numerals from 21 to 30, how many times is the letter I used ?

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A 8
B 14
C 13
D 12

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Answer: B. 14

XXI (1), XXII (2), XXIII (3), XXIV (1), XXV (0), XXVI (1), XXVII (2), XXVIII (3), XXIX (1), XXX (0).
Total = 1 + 2 + 3 + 1 + 0 + 1 + 2 + 3 + 1 + 0 = 14.

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In writing the Roman numerals from 21 to 30, how many times is the letter I used ?

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