Question

Please answer ASAP: 1+3+5+...+97+99
the dots means all the consecutive number following the pattern

Answer 1

Answer:

the given expression is sum of odd numbers.

and

We know that, from 1 to 99, there are 50 odd numbers.

Thus, n = 50

By the formula of sum of odd numbers we know;

Sn = n^2

Sn = 50^2

Sn = 50^2 = 2500