1.

r tie hhst t3 multiples ot14 Find the sum of the odd numbers between O and so

AnswerΒ»

1+3+5+7--------49Hereit will be an Arithmetic seriesFirst term= 1Comman difference= 2Number of terms = 25So formula = n/2[2a+(n-1)d]= 25/2[2+24*2]625

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