by shivamtripathi22 | Feb 24, 2022 | Uncategorized
(Q). 15 singers were selected to perform in a party, but at a time only 5 singers can perform, then total how many times performance was done if no same group of 5 singers performed twice?Solution:- Number of singers = 15Number of singers selected at a time = 5&...
by shivamtripathi22 | Feb 24, 2022 | Uncategorized
(Q). What is the total number of ways of selecting fruits with at least 1 mango from 5 distinct mangoes & 4 distinct oranges?Solution:- Number of ways of selecting orange = 2⁴ = 16∴ total number of ways = 31×16 ...
by shivamtripathi22 | Feb 23, 2022 | Uncategorized
(Q). In how many ways a team of 11 players can be selected from 18 players if out of 18 players, 2 player can play only as wicket keeper?Solution:- From 2 wicket keepers only 1 is selected & this can be done in ²C₁ ways.And remaining 10 players can be selected...
by shivamtripathi22 | Feb 23, 2022 | Uncategorized
(Q). How many factors of N = 2⁵×3⁵×5⁵×7⁵×11⁵ ends with 3 zeros?Solution:- N = 2⁵×3⁵×5⁵×7⁵×11⁵N =...
by shivamtripathi22 | Feb 21, 2022 | Uncategorized
(Q). A student is allowed to select atmost n books from a collection of (2n + 1) books. what is the number of ways of doing...
