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Chapter 1 Class 10 Real Numbers
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Question 1 The exponent of 5 in the prime factorisation of 3750 is (a) 3 (b) 4 (c) 5 (d) 62 3750 3 1875 5 625 5 125 5 25 5 5 1 Hence, 3750 = 2 × 3 × 5 × 5 × 5 × 5 = 2 × 3 × 54 So, the correct answer is (b)

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Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 12 years. He provides courses for Maths and Science at Teachoo.