325 can be expressed as a product of its primes as

(a) 5 2 × 7   (b) 5 2 × 13  (c) 5 × 13 2   (d) 2 × 3 2 × 5 2

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  1. Class 10
  2. Solutions of Sample Papers for Class 10 Boards

Transcript

Question 4 325 can be expressed as a product of its primes as (a) 52 × 7 (b) 52 × 13 (c) 5 × 132 (d) 2 × 32 × 52 Doing prime factorization of 325 Therefore, 325 = 5 × 5 × 13 = 52 × 13 So, (b) is the correct answer

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Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 9 years. He provides courses for Maths and Science at Teachoo.