Q13.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) 36000 (2) 37000 (3) 34000 (4) 35000
What This Question Tests
This question involves using the principle of total permutations minus permutations where all vowels are together to find the number of words where vowels never come together.
Concepts Tested
Formulas Used
nPr = n! / (n-r)!
n!
๐ NCERT Sections This Tests
1.3 โ Define The Following Terms:
Chemistry Class 11 ยท Chapter 1
1.3 Define the following terms: (i) Mole fraction (ii) Molality (iii) Molarity (iv) Mass percentage.
1.1 โ Define The Term Solution. How Many Types Of Solutions Are Formed? Write Briefly
Chemistry Class 11 ยท Chapter 1
1.1 Define the term solution. How many types of solutions are formed? Write briefly about each type with an example.
5.16 โ Draw Figure To Show The Splitting Of D Orbitals In An Octahedral Crystal Field.
Chemistry Class 11 ยท Chapter 5
5.16 Draw figure to show the splitting of d orbitals in an octahedral crystal field.
๐ Question Details
- Chapter
- Permutation & Combination
- Topic
- Permutation with Restrictions
- Year
- 2025
- Shift
- 23 Jan Shift 1
- Q Number
- Q13
- Type
- MCQ
- NCERT Ref
- Class 11 Mathematics Ch 7: Permutations and Combinations
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