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Question 1 - MCQs from NCERT Exemplar - Chapter 1 Class 10 Real Numbers

Last updated at May 29, 2023 by

The decimal expansion of the rational number 33/(2^2 5) will terminate after

(A)one decimal place

(B) two decimal places

(C) three decimal places

(D) more than 3 decimal places

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Question 1 The decimal expansion of the rational number 33/(2^2 5) will terminate after one decimal place (B) two decimal places (C) three decimal places (D) more than 3 decimal places 33/(2^2 5) = 33/(2^2 × 5) × 𝟓/𝟓 = (33 × 5)/((2^2 × 5^2)) = (33 × 5)/(𝟐 × 𝟓)^𝟐 = (33 × 5)/〖10〗^2 So, the number will terminate after 2 decimal places ∴ Correct answer is (B)

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Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 13 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.