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Without Doing the Actual Addition, Find the Sum Of: 1 + 3 + 5 + 7 + 9 + ………………… + 51 + 53 - Mathematics

Sum

Without doing the actual addition, find the sum of:

1 + 3 + 5 + 7 + 9 + ………………… + 51 + 53

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Solution

1 + 3 + 5 + 7 + 9 + ……………. + 51 + 53

= Sum of first 27 odd natural number = 272 = 729

Concept: Properties of Square Numbers
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APPEARS IN

Selina Concise Mathematics Class 8 ICSE
Chapter 3 Squares and Square Root
Exercise 3 (C) | Q 13.3 | Page 45
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