Question 1081515
Use the combination formula (nCr) to get...


n C r = (n!)/(r!(n-r)!)


10 C 5 = (10!)/(5!*(10-5)!)


10 C 5 = (10!)/(5!*5!)


10 C 5 = (10*9*8*7*6*5*4*3*2*1)/((5*4*3*2*1)*(5*4*3*2*1))


10 C 5 = (3628800)/((120)*(120))


10 C 5 = (3628800)/(14400)


10 C 5 = 252



Answer: <font color=red>252</font>