Last updated at Dec. 16, 2024 by Teachoo
Ex 3.2, 4 Write down separately the prime and composite numbers less than 20. Writing factors of numbers from 1 to 20 Prime numbers a number 1 and 20 are 2, 3, 5, 7, 11, 13, 17, 19 Composite number here 1 and 20 are 4, 6, 8, 9, 10, 12, 14, 15, 16, 18
Ex 3.2
Ex 3.2, 2 (a)
Ex 3.2, 2 (b) Important
Ex 3.2, 2 (c)
Ex 3.2, 2 (d)
Ex 3.2, 2 (e) Important
Ex 3.2, 2 (f) Important
Ex 3.2, 2 (g)
Ex 3.2, 2 (h) Important
Ex 3.2, 2 (i) Important
Ex 3.2, 2 (j)
Ex 3.2, 3 Important
Ex 3.2, 4 You are here
Ex 3.2, 5
Ex 3.2, 6 (a) Important
Ex 3.2, 6 (b)
Ex 3.2, 6 (c) Important
Ex 3.2, 6 (d)
Ex 3.2, 7 Important
Ex 3.2, 8
Ex 3.2, 9 Important
Ex 3.2, 10 Important
Ex 3.2, 11
Ex 3.2, 12 Important
About the Author
Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science and Computer Science at Teachoo