Python - Problem Statement - The teacher wants a group to be formed for the upcoming dance competition - Probability and Statistics - 3 - HackerRank Solution

Problem Statement

The teacher wants a group to be formed for the upcoming dance competition. She wants a group of 5 dancers consisting of 3 boys and 2 girls. In how many ways can a group of 5 dancers be formed by selecting 3 boys out of 6 and 2 girls our of 5? Help her out!

Write  a function that returns the number of ways a group of 5 dancers consisting of 3 boys and 2 girls can be formed.

Hint:

• Use the function math.factorial()

Function Description

Function Name: dancers()

1. Output:

• Returns an integer denoting the number of ways can a group of 5 dancers be formed by selecting 3 boys out of 6 and 2 girls out of 5
• 
  

 Answer: 

import math

def dancers():

    '''

    output: ans : Integer

    '''

    #Write your code here

    

    boys = math.factorial(6)/((math.factorial(3))*math.factorial(3))

    girls = math.factorial(5)/((math.factorial(2))*math.factorial(3))

    #Assign your value to variable ans

    ans=boys*girls

    return int(ans)

if __name__=='__main__':

Click on output Image: