Question

find the sun of all odd numbers batween 0 and 50​

Answer 1

Answer:

Step-by-step explanation:

Odd number between 0 and 50 are 1,3,5,7,9.....49

l=a+(n-1)d

49=1+(n-1)2

2n-2=48

2n=50

n=50/2

n=25

Sn=n/2(a+l)

=25/2(1+49)

=25/2(50)

=25(25)

=625.

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Answer 2

Step-by-step explanation:

All odd numbers are - 1,3,5,7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,49

sum if all these odd numbers is 625.

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