The number of ways in which five different books to be distributed among 3 persons so…
Mathematics · JEE Advanced · NTA Exams — Permutations and Combinations
The number of ways in which five different books to be distributed among 3 persons so that each person gets at least one book, is equal to the number of ways in which
- 5 persons are allotted 3 different residential flats so that each person is alloted at most one flat and no two persons are alloted the same flat.
- number of parallelograms (some of which may be overlapping) formed by one set of 6 parallel lines and other set of 5 parallel lines that goes in other direction.
- 5 different toys are to be distributed among 3 children, so that each child gets at least one toy.
- 3 mathematics professors are assigned five different lectures to be delivered, so that each professor gets at least one lecture.
Answer
(B) number of parallelograms (some of which may be overlapping) formed by one set of 6 parallel lines and other set of 5 parallel lines that goes in other direction., (C) 5 different toys are to be distributed among 3 children, so that each child gets at least one toy., (D) 3 mathematics professors are assigned five different lectures to be delivered, so that each professor gets at least one lecture.
Sign up free on Edukali to view the step-by-step worked solution and practice thousands of similar questions.
Related practice questions
- Find number of arangements of 4 letters taken from the word EXAMINATION.
- A teacher takes 3 children from her class to the zoo at a time as often as she can, but does not take the…
- Three of the six vertices of a regular hexagon are chosen at random. The probability that the triangle with…
- If the letters of the word mother are arranged in all possible orders and these words are written as in a…
- Every one of the 10 available lamps can be switched on to illuminate certain Hall. The total number of ways…
- Two classrooms A and B having capacity of 25 and (n – 25) seats respectively. A n denotes the number of…
- If n – 1 C r = ( k 2 – 3) n C r + 1 then k ∈
- The maximum number of permutations of 2n letters in which there are only a’s and b’s, taken all at a time is…
More Permutations and Combinations questions · Browse all practice questions