Ask Questions, Get Answers

Want to ask us a question? Click here
Browse Questions
0 votes

A bag contains 3 black 4 white and 2 red balls, all balls being different. The number of selection of at the most 6 balls so that each selection has balls of all the 3 colours is ?

Can you answer this question?

1 Answer

0 votes
Since each selection should have all the three colours, minimum 3 balls one
in each colour should be selected in $^3C_1\times ^4C_1\times ^2C_1$ ways.
Maximum 6 balls are to be selected.
$\therefore$ The required no. of ways =$^3C_1\times ^4C_1\times ^2C_1(^6C_0+^6C_1+^6C_2+^6C_3)$ ways
answered Sep 5, 2013 by rvidyagovindarajan_1

Related questions

Ask Question
student study plans
JEE MAIN, CBSE, NEET Mobile and Tablet App
The ultimate mobile app to help you crack your examinations
Get the Android App