Math, asked by sanjana200941, 4 months ago

what percentage of numbers from 1 to 30 has 1 or 9 in the unit's digit

Answers

Answered by naaz93088

Answer:

20%

Step-by-step explanation:

such number from 1 to 30 are 1,9,11,19,21,29

Number of such numbers =6

Required percentage is306×100% = 20%

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