CBSE Class 10 Sample Paper for 2020 Boards - Maths Basic

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Question 7 - CBSE Class 10 Sample Paper for 2020 Boards - Maths Basic - Solutions of Sample Papers for Class 10 Boards

Last updated at April 16, 2024 by

Which of the following is the decimal expansion an irrational number

(a) 4.561          (b)0. 12            (c) 5.010010001…         (d) 6.03

Which is the decimal expansion an irrational number (a) 4.561 (b) 0.12

Transcript

Question 7 Which of the following is the decimal expansion an irrational number (a) 4.561 (b)0.¯12 (c) 5.010010001… (d) 6.03 An irrational number has non-repeating non-terminating decimal expansion Here, (a) and (d) are terminating decimal expansions and (b) is non-terminating but repeating decimal expansion Therefore, (c) = 5.010010001… is non-terminating, non-repeating decimal expension. So, (c) is the decimal expansion of irrational number

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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, Social Science, Physics, Chemistry, Computer Science at Teachoo.