Question

The sum of 5 numbers in ap is 30 and sum of their square is 220 then waht is the third term

Answer 1

Let the number be (a-2d), (a-d), a, (a+d), (a+2d).

(a-2d) + (a-d) + a + (a+d) + (a+2d) = 30

5a = 30

a = 6

Third term is 6.

Something wrong in question

Use 190 in the place of 220