Elitmus
Exam
Category
in a triangle ABC, 5 points are on AB, 6 points on BC and 3 points on CA, (none of these points being vertex), how many triangles can be made using these points ???
op: 90, 333 , 328, 300
Read Solution (Total 3)
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- 14c3 - (5c3 + 6c3 + 3c3)
364-31 = 333 ans - 9 years agoHelpfull: Yes(27) No(0)
- 90 i think
5C3+6C3+3C3=90
- 9 years agoHelpfull: Yes(0) No(18)
- Ans =333
14c3-(5c3+6c3+3c3)
364-31=333
- 9 years agoHelpfull: Yes(0) No(0)
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