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Popular >

7 nCr 5

Solution

7 nCr 5

Solution

21

Solution steps

= \frac{n !}{r ! ( n - r ) !}

Plug in

n = 7, r = 5

= \frac{7 !}{5 ! ( 7 - 5 ) !}

\frac{7 !}{5 ! ( 7 - 5 ) !} = 21

= 21

Popular Examples

2 n P r 2

15 n C r 5

c (10, 3)

std of 50,60,70,80,90 standard deviation

50, 60, 70, 80, 90

variance of 10,12,15,18,11,13,14,16,19,20 variance

10, 12, 15, 18, 11, 13, 14, 16, 19, 20

Frequently Asked Questions (FAQ)

What is 7 nCr 5 ?
The answer to 7 nCr 5 is 21