Aptitude Questions and Answers for PLACEMENTS

Ques. The number of triangles that can be formed by choosing the vertices from a set of 12 points, seven of which lie on the same straight line is
Op 1: 105
Op 2: 115
Op 3: 175
Op 4: 185
Op 5:
Correct Op : 4

Ques. There are 5 letters and five addressed envelops. the number of ways in which all the letters can be put in wrong envelops is
Op 1: 119
Op 2: 44
Op 3: 59
Op 4: 40
Op 5:
Correct Op : 2


Ques. The number of ways in which 8 different flowers can be strung to form a garland so that 4 particular flowers are never separated is
Op 1: 960
Op 2: 2880
Op 3: 288
Op 4: 576
Op 5:
Correct Op : 2