0 votes 0 votes In order to play basketball,10 childrens at playgorund divide themselves into two teams of 5 each.How many divisions are possible? Quantitative Aptitude combinatory + – bahirNaik asked Feb 2, 2016 • retagged Jun 27, 2017 by Arjun bahirNaik 367 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.
Best answer 3 votes 3 votes {ABCD} LETS DIVIDE THEM IN TWO DIVISIONS ..... IF QUESTION IS HOW MANY COMBINATIONS OF 2 OUT OF 4 ...THEN =4C2=6 BUT NOW ITS ASKING DIVISION AB CD CD AB (BOTH ARE SAME) AC BD BD AC (BOTH ARE SAME) AD BC BC AD (BOTH ARE SAME) THEREFOR 4C2/2=3 NUMBER OF DIVISIONS....THERE ANSWER IS 10C5/2 Deepesh Kataria answered Feb 3, 2016 • selected Feb 3, 2016 by bahirNaik Deepesh Kataria comment Share Follow See 1 comment See all 1 1 comment reply vijaycs commented Jul 29, 2016 reply Follow Share divide themselves means - out of 10 any 1 becomes leader and selects 4 for his team out of 9( excluding himself). so total possible division = 9C4 = 10C5/ 2. 0 votes 0 votes Please log in or register to add a comment.
0 votes 0 votes 10C5/2 viv696 answered Feb 3, 2016 • edited Feb 3, 2016 by viv696 viv696 comment Share Follow See 1 comment See all 1 1 comment reply bahirNaik commented Feb 3, 2016 reply Follow Share no the answer given is 10C5/2! 1 votes 1 votes Please log in or register to add a comment.