Mathematics - Permutation & Combination Question with Solution | TestHub
MathematicsPermutation & CombinationnPr & nCrMedium2 min
MathematicsMediumsingle choice
The number of 10 letter permutations comprising 4 a's, 3 b's and 3 c's such that
LIST I | LIST II |
|---|---|
(P) a' s are separated and all b's are together is equal to | (1) 18 |
(Q) a's are separated and exactly two b's are together is equal to | (2) 20 |
(R) no two adjacent letters are identical is equal to | (3) 150 |
(S) no two b's are together, no two c's are together and all 'a' s are together is equal to | (4) 180 |
| (5) 248 |
Options:
Answer:
A
Solution:
Stream:JEESubject:MathematicsTopic:Permutation & CombinationSubtopic:nPr & nCr
⏱ 2m
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