Sum of odd numbers between 0and 50. (0और50 के बीच सभी विषम संख्याओं का योग ज्ञात करना)

PCM Study by GS 2020-06-18

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Formula used

Sₙ=n\2(aₙ+L)

Sₙ=Sum of n terms,

n=number of terms

aₙ=1st term of an AP

L=last term of AP

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