Question

Find the sum of the odd numbers between 0 and 50 ( ch : Arithmetic progression ) ​

Answer 1

Answer:

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

Step-by-step explanation:

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Answer 2

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

Here a=1,D=2,l= 49

a+(n-1)D=l

1+(n-1)×2=49

1+2n- 2=49

1+2n=49

2n=49+1

2n=50

n=50/2= 25.

we know that s= n/2(a+l)

s=25/2×50

s=25×25=625

s=625

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