Question

if we write the numbers form 1 to 201 what is the sum of all odd numbers

Answer 1

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Answer 2

Answer:

Step-by-step explanation:

1+3+5+7+.......+201

Sum of odd numbers =n * n

Nth term =a+(n-1)d (a is first term, d is common difference)

N=52

Therefore n*n=2524

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