Question

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

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Answer 1

Answer:

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your answer is here !

Step-by-step explanation:

Such numbers from 1 to 30 are 1, 9, 11, 19, 21, 29

Number of such numbers =6

Required percentage is (6/20 * 100) % = 20%

option (C) 20% is right answer !

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