Aptitude Questions and Answers for PLACEMENTS

Ques. At an election there are five candidates and three members to be elected , and a voter may vote for any number of candidates not greater than the number to be elected. Then the number of ways in which a voter may vote is
Op 1: 25
Op 2: 30
Op 3: 32
Op 4: none of these
Op 5:
Correct Op : 4

Ques. There are n different books and p copies of each. the number of ways in which a selection can be made from them is
Op 1: np
Op 2: pn
Op 3: (p+1)n -1
Op 4: (n+1)p-1
Op 5:
Correct Op : 3

Ques. The sides AB, BC, CA of a triangle ABC have 3,4 and 5 interior points respectively on them. The total number of triangles that can be constructed by using these points as vertices is
Op 1: 220
Op 2: 204
Op 3: 205
Op 4: 195
Op 5:
Correct Op : 3