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Ex 6.1, 7 - Chapter 6 Class 8 Squares and Square Roots - Part 2

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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

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