MCQOPTIONS
Bookmark
Saved Bookmarks
→
Mathematics
→
Addition in Mathematics
→
n
C
r
= ________________..
1.
n
C
r
= ________________
A.
n!
B.
( frac{n!}{r!} )
C.
( frac{n!}{(n-r)!} )
D.
( frac{n!}{(n-r)! r!} )
Answer» E.
Show Answer
Discussion
No Comment Found
Post Comment
Related MCQs
In a family, 5 males and 3 females are there. In how many ways we can select a group of 2 males and 2 females from the family?
Out of a group of 5 persons, find the number of ways of selecting 3 persons.
If <sup>14</sup>C<sub>r</sub> = 14 and <sup>15</sup>C<sub>r</sub> = 15. Find the value of <sup>14</sup>C<sub>r-1</sub>.
Determine n if <sup>2n</sup>C<sub>3</sub>: <sup>n</sup>C<sub>3</sub> = 9:1.
If <sup>6</sup>C<sub>2</sub> = <sup>6</sup>C<sub>X</sub> then find possible values of x.
If <sup>n</sup>C<sub>2</sub> = <sup>n</sup>C<sub>3</sub> then find n.
Is <sup>n</sup>C<sub>r</sub> = <sup>n</sup>C<sub>n-r</sub> true?
<sup>n</sup>P<sub>r</sub> = <sup>n</sup>C<sub>r</sub> * ______________
<sup>n</sup>C<sub>n</sub> = ________________
<sup>n</sup>C<sub>0</sub> = ________________
Reply to Comment
×
Name
*
Email
*
Comment
*
Submit Reply