1.

According to combination rule, if the total number of outcomes are 'r' and distinct outcome collection is 'n' then combinations are calculated as

A. n! ⁄ r!(n - r)!
B. n! ⁄ r!(n + r)!
C. r! ⁄ n!(n - r)!
D. r! ⁄ n!(n + r)!
Answer» B. n! ⁄ r!(n + r)!


Discussion

No Comment Found