Question 5 - Past Year MCQ (Maths Standard) - Chapter 1 Class 10 Real Numbers

Last updated at April 16, 2024 by

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Question 5 If a and b are two coprime numbers, then a³ and b³ are (a) Coprime (b) Not coprime (c) Even (d) OddSince a and b are coprime a3 and b3 will also be co−prime Example: 2 and 3 are coprime And, 23 = 8, and 33 = 27 ∴ 8 and 27 are also coprime So, the correct answer is (a)

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Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science and Computer Science at Teachoo