Sum of 19 odd numbers is?	Select:
A) 341
B) 351
C) 361
D) 371
E) 381

Rationale: "sum of 1 st n odd no . s = 1 + 3 + 5 + 7 + . . . = n ^ 2 so , sum of 1 st 19 odd numbers = 19 ^ 2 = 361 answer : c"
Answer: C