Question

Find the sum of the odd numbers between 0 and 250​

Answer 1

Answer:

square of 125

125 × 125

15625

Answer 2

Answer:

15625

Step-by-step explanation:

Sn=n/2(first term + last term)

0dd no between 0 to 250

1,3,5........................,247,249

249=a+(n-1)d

249=1+(n-1)2

248/2=n-1

124+1=n

n=125

Sn=n/2(first term + last term)

    =125/2(1+249)

=125/2(250)

=125×125

=15625