by shivamtripathi22 | Mar 26, 2022 | Uncategorized
(Q). A class has 10 students. In how many ways 4 students can be selected if a particular student amit is selected ‘x’ times and out of those ‘x’ times another student Rohit came ‘y’ times with Amit. By what percentage...
by shivamtripathi22 | Mar 26, 2022 | Uncategorized
(Q). 8 students has to be selected such that 4 students from science group & 4 students from Arts group. Number of participants in different group is as follows:-Science group:- Total 9 students – 5boys and 4 girlsArt group:- Total 9 students – 4 boys...
by shivamtripathi22 | Mar 26, 2022 | Uncategorized
(Q). How many teams of 9 players an be made from 30 players if Ankit, Mohit and Neeraj can not be selected together?Solution:-Without any restriction 9 players an be selected from 30 players in ³⁰C₉ ways & when Ankit, Mohit & Neeraj are always selected then 9...
by shivamtripathi22 | Mar 26, 2022 | Uncategorized
(Q). A class has total 10 students: 6 boys and 4 girls, in how many ways we can select a team of 5 so that number of boy is always more than the number of...
by shivamtripathi22 | Mar 24, 2022 | Uncategorized
(Q). A team of 11 players has to be selected from 20 players which has 5 bowlers. IN how many ways this can be done if at least 4 bowlers are always...
