Curioustab
Aptitude
General Knowledge
Verbal Reasoning
Computer Science
Interview
Aptitude
General Knowledge
Verbal Reasoning
Computer Science
Interview
Home
»
Aptitude
»
Permutation and Combination
There is a polygon of 12 sides . How many triangles can be drawn using the vertices of polygon?
200
220
240
260
Correct Answer:
220
Explanation:
Required number of triangles =
12
C
3
= (12 x 11 x 10) / 6 = 220
← Previous Question
Next Question→
More Questions from
Permutation and Combination
Find the number of diagonals formed in hexagon .
There are 10 points in a plan, out of which 5 are collinear. Find the number of straight lines formed by joining them.
In how many ways, 12 balls can be divided between 2 boys, one receiving 5 and the other 7 balls?
Find the number of combinations that can be formed with 5 oranges, 4 mangoes and 3 bananas, when one fruit of each kind is taken.
There are 10 questions in a question paper. In how many ways, a student can solve there questions, if he solves one or more question?
In how many ways, can 15 people be seated around two round tables with seating capacities of 7 and 8 people?
O and A occupying end places.
E being always in the middle.
Vowels occupying odd places .
Vowels being never together.
Discussion & Comments
No comments yet. Be the first to comment!
Name:
Comment:
Post Comment
Join Discussion
Discussion & Comments