Q63.If all the words, with or without meaning, are written using the letters of the word QUEEN and are arranged as in English dictionary, then the position of the word QUEEN is: (1) 47th (2) 45th (3) 46th (4) 44th
What This Question Tests
The question requires calculating the rank of a given word in dictionary order, which involves counting permutations of letters with repetitions.
Concepts Tested
Formulas Used
n! / (nโ! nโ! ...) for permutations with repetition
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.
5.12 โ Write All The Geometrical Isomers Of [Pt(Nh3)(Br)(Cl)(Py)] And How Many Of
Chemistry Class 11 ยท Chapter 5
5.12 Write all the geometrical isomers of [Pt(NH3)(Br)(Cl)(py)] and how many of these will exhibit optical isomers?
2.1 โ Arrange The Following Metals In The Order In Which They Displace Each Other
Chemistry Class 11 ยท Chapter 2
2.1 Arrange the following metals in the order in which they displace each other from the solution of their salts. Al, Cu, Fe, Mg and Zn.
๐ Question Details
- Chapter
- Permutation & Combination
- Topic
- Rank of a word
- Year
- 2017
- Shift
- 08 Apr Online
- Q Number
- Q63
- Type
- MCQ
- NCERT Ref
- Class 11 Mathematics Ch 7: Permutation & Combination
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