Dheeru8089 Alwar, India 667 Questions 802 Answers 1 Best Answer 2k Points View Profile0 Dheeru8089 Asked: May 30, 20202020-05-30T20:10:32+05:30 2020-05-30T20:10:32+05:30In: EducationWhat percentage of numbers from 1 to 70 have 1 or 9 in the unit’s digit?0 What percentage of numbers from 1 to 70 have 1 or 9 in the unit’s digit?mathsnumbers1 AnswerVotedOldestRecentDheeru8089 Alwar, India 667 Questions 802 Answers 1 Best Answer 2k Points View Profile Dheeru8089 Added an answer on May 30, 2020 at 8:10 pm Clearly, the numbers which have 1 or 9 in the unit’s digit, have squares that end in the digit 1.Such numbers from 1 to 70 are 1, 9, 11, 19, 21, 29, 31, 39, 41, 49, 51, 59, 61, 69.Number of such number =14Required percentage = (14/70 x 100)% = 20%0Reply Share ShareShare on FacebookShare on TwitterShare on LinkedInShare on WhatsAppLeave an answerLeave an answerCancel reply Featured image Select file Browse Save my name, email, and website in this browser for the next time I comment. ShareFacebook

## Dheeru8089

Clearly, the numbers which have 1 or 9 in the unit’s digit, have squares that end in the digit 1.

Such numbers from 1 to 70 are 1, 9, 11, 19, 21, 29, 31, 39, 41, 49, 51, 59, 61, 69.

Number of such number =14

Required percentage = (14/70 x 100)% = 20%