Question 21 (A) - CBSE Class 10 Sample Paper for 2025 Boards - Maths Standard - Solutions of Sample Papers for Class 10 Boards

Last updated at Feb. 12, 2025 by Teachoo

This question is similar to Chapter 1 Class 10 Real Numbers - Ex 1.1

Please check the Question here

https://www.teachoo.com/13111/488/Ex-1.2--2-iii/category/Ex-1.2/

[SQP] Find H.C.F and L.C.M of 480 and 720 using Prime factorisation - CBSE Class 10 Sample Paper for 2025 Boards - Maths Standard

part 2 - Question 21 (A) - CBSE Class 10 Sample Paper for 2025 Boards - Maths Standard - Solutions of Sample Papers for Class 10 Boards - Class 10

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Transcript

Question 21 (A) Find the H.C.F and L.C.M of 480 and 720 using the Prime factorisation method.Finding HCF 480 = 2 × 2 × 2 × 2 × 2 × 3 × 5 720 = 2 × 2 × 2 × 2 × 3 × 3 × 5 ∴ H.C.F = 2 × 2 × 2 × 2 × 3 × 5 = 240 Finding L.C.M L.C.M = 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 = 1440

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Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 15 years. He provides courses for Maths, Science and Computer Science at Teachoo

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