The sum of first 17 terms of the series 5, 13, 17, --- is -
A
529
B
462
C
629
D
523
Correct Answer: 629
n2{2a + (n - 1)d} = n2{10 + (17 - 1)4} = 172 {10 + {16×4)} = 17×742 = 629