CBSE Class 10 Sample Paper for 2022 Boards - Maths Basic [MCQ]

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Question 13 - CBSE Class 10 Sample Paper for 2022 Boards - Maths Basic [MCQ] - Solutions of Sample Papers for Class 10 Boards

Last updated at August 14, 2026 by

The prime factorisation of 3825 is

(a) 3 × 5 2 × 21   (b) 3 2 × 5 2 × 35  

(c) 3 2 × 5 2 × 17   (d) 3 2 × 25 × 17

 

This question is inspired from Ex 1.2, 1 (iii) - Chapter 1 Class 10 - Real Numbers

Ques 13 (MCQ) - The prime factorisation of 3825 is - Teachoo Maths - CBSE Class 10 Sample Paper for 2022 Boards - Maths Basic [MCQ]

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Transcript

Question 13 The prime factorisation of 3825 is (a) 3 × 52 × 21 (b) 32 × 52 × 35 (c) 32 × 52 × 17 (d) 32 × 25 × 17 Hence, 3825 = 3 × 3 × 5 × 5 × 17 = 32 × 52 × 17 So, the correct answer is (c)

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