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Ex 1.3

Ex 1.3, 1 (i)

Ex 1.3, 1 (ii)

Ex 1.3, 1 (iii) Important

Ex 1.3, 1 (iv) Important

Ex 1.3, 1 (v)

Ex 1.3, 1 (vi) Important

Ex 1.3,2 You are here

Ex 1.3, 3 (i) Deleted for CBSE Board 2024 Exams

Ex 1.3, 3 (ii) Important

Ex 1.3, 3 (iii) Important

Ex 1.3,4 Important

Ex 1.3, 5

Ex 1.3,6

Ex 1.3, 7

Ex 1.3, 8 Important Deleted for CBSE Board 2024 Exams

Ex 1.3, 9 (i) Deleted for CBSE Board 2024 Exams

Ex 1.3, 9 (ii) Important

Ex 1.3, 9 (iii) Important

Ex 1.3, 9 (iv)

Ex 1.3, 9 (v) Important

Chapter 1 Class 9 Number Systems

Serial order wise

Last updated at May 29, 2023 by Teachoo

Ex1.3, 2 You know that 1/7 = 0.(142857) ̅ = 0.142857142857…. . Can you predict what the decimal expansion 2/7 , 3/7 , 4/7 , 5/7 ,6/7 of are, without actually doing the long division? If so, how? [Hint: Study the remainders while finding the value of 1/7 carefully.] Thus, 1/7 = 0.(142857) ̅ 2/7 = 0.(285714) ̅ 3/7 = 0.(428571) ̅ 4/7 = 0.(571428) ̅ 5/7 = 0.(714285) ̅ & 6/7 = 0.(857142) ̅ .