Question

Find the sum of all odd number lying between 0
and 50

Answer 1

Answer:

625

Step-by-step explanation:

Sum of all odd numbers between 1 and 100=625

By A. P. IF METHOND

Answer 2

Odd number of 0 and 50 are

1,3,5,7,9,........49

l = a+(n-1)2

49=1 +(n-1)2

2n -2 = 48

2n = 50

n = 50

n = 50/2

n = 25

Sn = n/2 (a + 1)

25/2(1 + 49)

25/2(50)

25/(25)

625

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