चर, 5ज१न of odd nomber b – InterviewSolution

1.

चर, 5ज१न of odd nomber b

Answer»

Odd number between 0 and 50 are 1,3,5,7,9.....49l = a + (n-1) d

49=1+(n-1)2

2n-2=48

2n=50

n=50/2

n=25

Now consider sumS(n)=n/2(a+l)

=25/2(1+49)

=25/2(50)

=25(25)

=625.

Therefore the sum of all odd numbers between 0 and 50 is 625.

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