Permutations And Combinations Question 62
Question: 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 [Roorkee 1989; BIT 1989; MP PET 1995;Pb. CET 1997, 98; Roorkee 2000; DCE 2002; AMU 2005]
Options:
A) 185
B) 175
C) 115
D) 105
Correct Answer: A
Show Answer
Answer:
Solution:
BETA
