In how many ways can a cricket 15 be chosen out of a batch of 20 players? Choose one:
A) 12500
B) 18250
C) 13250
D) 15504
E) 14520
Required number of ways = 20C15 = 20C (20-15) = 20C5   20C5 = (20*19*18*17*16)/(5*4*3*2*1)= 
<gadget id="calculator">(20*19*18*17*16)/(5*4*3*2*1)</gadget>
<output>15_504</output>
15504   Answer is 15504
<result>D</result>
In how many ways can a cricket 15 be chosen out of a batch of 20 players?