Doubts
Sign in
12thPass logo
New chatPYQ LibraryDoubtsRank report
Sign in to see Recents
Sign in to save progress →
Doubts
Sign in

Permutations and Combinations question

2023 · 8 Apr · Shift 1 · Q27
Guest · try one question or challengeGuest · try one question or challenge
  1. PYQ Library
  2. /JEE Main
  3. /Mathematics
  4. /Permutations and Combinations
  5. /2023 · 8 Apr · Shift 1 · Q27

Permutations and Combinations question

2023 · 8 Apr · Shift 1 · Q27

JEE MainMathematicsPermutations and CombinationsMCQ+4 / −1
The number of ways, in which 5 girls and 7 boys can be seated at a round table so that no two girls sit together, is :
  1. A
    720
  2. B
    7(360)27(360)^{2}7(360)2
  3. C
    7(720)27(720)^{2}7(720)2
  4. D
    126(5!)2126(5 !)^{2}126(5!)2
PreviousNext

More from Permutations and Combinations

  • Let the number of elements in sets A and B be five and two respectively. Then the number of subsets of A×B each having at least 3 and at most 6 elements is :2023 · MCQ
  • If the number of words, with or without meaning, which can be made using all the letters of the word MATHEMATICS in which C and S do not come together, is (6!)k, then k is equal to :2023 · MCQ
  • The number of permutations, of the digits 1, 2, 3, ..., 7 without repetition, which neither contain the string 153 nor the string 2467, is ​.2023 · Numerical
  • Some couples participated in a mixed doubles badminton tournament. If the number of matches played, so that no couple played in a match, is 840, then the total number of persons, who participated in the tournament, is ​…2023 · Numerical
  • Eight persons are to be transported from city A to city B in three cars of different makes. If each car can accommodate at most three persons, then the number of ways, in which they can be transported, is :2023 · MCQ
  • The sum of all the four-digit numbers that can be formed using all the digits 2, 1, 2, 3 is equal to ​.2023 · Numerical
  • The number of triplets (x,y,z), where x,y,z are distinct non negative integers satisfying x+y+z=15, is :2023 · MCQ
  • In an examination, 5 students have been allotted their seats as per their roll numbers. The number of ways, in which none of the students sits on the allotted seat, is ​.2023 · Numerical