brazil-enem 2015 Q165

brazil-enem · Other · enem__day2 Combinations & Selection Basic Combination Computation

QUESTION 165
The number of combinations of 6 elements taken 2 at a time is
(A) 12
(B) 15
(C) 18
(D) 21
(E) 24

QUESTION 165

The number of combinations of 6 elements taken 2 at a time is

(A) 12

(B) 15

(C) 18

(D) 21

(E) 24