Advertisements
Advertisements
Question
What percentage of numbers from 1 to 70 have 1 or 9 in the unit's digit?
Options
1%
14%
20%
21%
MCQ
Solution
20%
Explanation:
Such numbers from 1 to 70 are 1, 9, 11, 19, 21, 29, 31, 39, 41, 49, 51, 59, 61, 69.
Total such number = 14
∴ Required percentage = `(14/70xx100)`% = 20%
shaalaa.com
Percentage, Discount and Partnership (Entrance Exam)
Is there an error in this question or solution?
