The number of ways in which one can select three distinct integers between 1 and 30, both inclusive, whose sum is even is
A. 455
B. 140
C.2030
D.400
Answer:C
The number of ways in which one can select three distinct integers between 1 and 30, both inclusive, whose sum is even is
A. 455 B. 140 C.2030 D.400