Find the Percentage of Numbers from 1 to 30 which has 1 or 9 in Unit Digit



Find the Percentage of Numbers from 1 to 30 which has 1 or 9 in Unit Digit

What percentage of numbers from 1 to 30 has 1 or 9 in the unit's digit?
A. 12
B. 15
C. 20
D. 22

Asked by: Phani on Sep 29, 2019.EDIT

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