Chapter 1, Real Numbers,

NCERT Solutions for Class 10 Maths Chapter 1

Important NCERT Questions

Real Numbers

NCERT Books for Session 2022-2023

CBSE Board and UP Board Others state Board

EXERCISE 1.2

Page No:11

Questions No:3 Part-1

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12, 15 and 21

12 = 2 × 2 × 3 = 2² × 3

15 = 3 × 5

21 = 3 × 7

HCF = 3

LCM = 2² × 3 × 5 × 7 = 420

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