The number of triangles that are formed by choosing the vertices from a set of 12 points, seven of which lie on the same straight line, is
The number of triangles that are formed by choosing the vertices from a set of 12 points, seven of which lie on the same straight line, is
A). 175
B). 715
C). 75
D). 185
1 answers
Other Questions
1. In how many ways a committee of 5 members can be selected from 6 men and 5 ladies lowering of 3 men and 2 ladies?
2. A letter lock consists of three rings each marked with six different letters. The number of distinct unsuccessful attempts to open the lock is at the most -.
3. Find the value of 12c1?
4. How many Permutations of the letters of the word APPLE are there?
5. The number of positive integers which can be formed by using any number of digits from 0,1,2,3,4,5 without repetition.
6. There is a polygon of 12 sides . How many triangles can be drawn using the vertices of polygon ?
7. How many ways can 10 letters be posted in 5 post boxes, if each of the post boxes can take more than 10 letters ?
8. How many arrangements of the letters of the word BEGIN can be made, without changing the place of the vowels in the word?
9. How many 4letter code can be formed using the first 9 letters of the English alphabets, if no letter can be repeated?
10. In a box, there are 5 black pens, 3 white pens and 4 red pens. In how many ways can 2 black pens, 2 white pens and 2 red pens can be chosen?
