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

2025 · 23 Jan · Shift 1 · Q28
Guest · try one question or challengeGuest · try one question or challenge
  1. PYQ Library
  2. /JEE Main
  3. /Mathematics
  4. /Permutations and Combinations
  5. /2025 · 23 Jan · Shift 1 · Q28

Permutations and Combinations question

2025 · 23 Jan · Shift 1 · Q28

JEE MainMathematicsPermutations and CombinationsMCQ+4 / −1
The number of words, which can be formed using all the letters of the word "DAUGHTER", so that all the vowels never come together, is :
  1. A
    34000
  2. B
    37000
  3. C
    35000
  4. D
    36000
PreviousNext

More from Permutations and Combinations

  • The number of ways, 5 boys and 4 girls can sit in a row so that either all the boys sit together or no two boys sit together, is ​.2025 · Numerical
  • The number of 3 -digit numbers, that are divisible by 2 and 3 , but not divisible by 4 and 9 , is ​.2025 · Numerical
  • Group A consists of 7 boys and 3 girls, while group B consists of 6 boys and 5 girls. The number of ways, 4 boys and 4 girls can be invited for a picnic if 5 of them must be from group A and the remaining 3 from group B, is equal to :2025 · MCQ
  • Number of functions f:{1,2,…,100}→{0,1}, that assign 1 to exactly one of the positive integers less than or equal to 98 , is equal to ​.2025 · Numerical
  • Let nCr−1​=28,nCr​=56 and nCr+1​=70. Let A(4cost,4sint),B(2sint,−2cost) and C(3r−n,r2−n−1) be the vertices of a triangle ABC, where t is a parameter. If (3x−1)2+(3y)2=α…2025 · MCQ
  • The number of different 5 digit numbers greater than 50000 that can be formed using the digits 0 , 1,2,3,4,5,6,7, such that the sum of their first and last digits should not be more than 8 , is2025 · MCQ
  • The number of natural numbers, between 212 and 999, such that the sum of their digits is 15, is ​.2025 · Numerical
  • Let P be the set of seven digit numbers with sum of their digits equal to 11. If the numbers in P are formed by using the digits 1, 2 and 3 only, then the number of elements in the set P is :2025 · MCQ