# Ex 6.1, 7 (ii) - Chapter 6 Class 8 Squares and Square Roots

Last updated at Aug. 31, 2021 by Teachoo

Last updated at Aug. 31, 2021 by Teachoo

Transcript

Ex 6.1, 7 Without adding, find the sum. (ii) 1 + 3 + 5 + 7 + 9 + I1 + 13 + 15 + 17 +19 Total consecutive odd numbers = 10 Thus, n = 10 ∴ Sum = "n" ^2 = 102 = 100

Ex 6.1

Ex 6.1, 1 (i)

Ex 6.1, 1 (ii)

Ex 6.1, 1 (iii)

Ex 6.1, 1 (iv)

Ex 6.1, 1 (v)

Ex 6.1, 1 (vi)

Ex 6.1, 1 (vii)

Ex 6.1, 1 (viii)

Ex 6.1, 1 (ix)

Ex 6.1, 1 (x)

Ex 6.1, 2 (i) Important

Ex 6.1, 2 (ii)

Ex 6.1, 2 (iii)

Ex 6.1, 2 (iv)

Ex 6.1, 2 (v)

Ex 6.1, 2 (vi)

Ex 6.1, 2 (vii)

Ex 6.1, 2 (viii)

Ex 6.1, 3 (i)

Ex 6.1, 3 (ii)

Ex 6.1, 3 (iii)

Ex 6.1, 3 (iv)

Ex 6.1, 4

Ex 6.1, 5

Ex 6.1, 6

Ex 6.1, 7 (i)

Ex 6.1, 7 (ii) You are here

Ex 6.1, 7 (iii)

Ex 6.1, 8 (i) Important

Ex 6.1, 8 (ii)

Ex 6.1, 9 (i) Important

Ex 6.1, 9 (ii)

Ex 6.1, 9 (iv)

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Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 10 years. He provides courses for Maths and Science at Teachoo.