8. How many times does the number 3...
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8. How many times does the number 3 occur in unit's place for numbers ranging from 1 to 100? RRB NTPC (Phase I) 2016 (1) 20 (2) 11 (3) 10 (4) 19

11th - 12th Class
Maths
Solution
148
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8. (3) : : Required number of 3 occur in unit's place for number Ranging from 1 to 100 [ =10(3,13,23,33,43,53,63,73,83,93) ]
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