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Find The Sum Of All Odd Number Up To 100? |
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Answer» The given number is 1, 3, 5………….99 This is an A.P with a = 1, d = 2 Let it contain N TERM 1 + (n-1)2 = 99 ==> n = 50 Then REQUIRED SUM = n/2 (first term + last term) ==> 50/2(1 + 99) = 2500. The given number is 1, 3, 5………….99 This is an A.P with a = 1, d = 2 Let it contain n term 1 + (n-1)2 = 99 ==> n = 50 Then required sum = n/2 (first term + last term) ==> 50/2(1 + 99) = 2500. |
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