The sum of first 17 items of the series 5, 9, 13, 17,....... is-
The sum of first 17 items of the series 5, 9, 13, 17,....... is- Correct Answer 629
The sum = (n/2) { 2a + (n - 1) x d } = (17/2) { 2 x 5 + ( 17 - 1 ) x 4 } = 629.The sum of first 17 items of the series 5, 9, 13, 17,....... is- Correct Answer 629
The sum = (n/2) { 2a + (n - 1) x d } = (17/2) { 2 x 5 + ( 17 - 1 ) x 4 } = 629.