WBJEE SERIES Mathematics
Permutations
4 previous year questions.
Volume: 4 Ques
Yield: Medium
High-Yield Trend
1
2023 1
2018 1
2016 1
2014 Chapter Questions 4 MCQs
01
PYQ 2014
medium
mathematics ID: wbjee-20
Out of consonants and vowels, the number of words (not necessarily meaningful) that can be made, each consisting of consonants and vowels, is
1
24800
2
25100
3
25200
4
25400
02
PYQ 2016
medium
mathematics ID: wbjee-20
The letters of the word COCHIN are permuted and all permutation are arranged in an alphabetical order as in an English dictionary. The number of words that appear before the word COCHIN is
1
2
3
4
03
PYQ 2018
medium
mathematics ID: wbjee-20
From a collection of consecutive natural numbers, four are selected such that they are not consecutive. The number of such selections is
1
2
3
4
04
PYQ 2023
hard
mathematics ID: wbjee-20
The number of ways in which the letter of the word 'VERTICAL' can be arranged without changing the order of the vowels is
1
6!×3!
2
3
6!×3
4