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Class 11 Mathematics: Permutations and Combinations
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MCQs on counting fundamental principles, permutations and combinations.

Class 11 Mathematics: Permutations and Combinations
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11 Questions

1. How many 3-digit numbers are possible using permutations without repetition of digits if digits are 1-9?
2. How many 5-digit numbers are possible without repetition of digits?
3. Find the number of 4 letter words which can be formed from word PULSE if repetition is allowed.
4. Find the number of permutations of word DEPENDENT.
5. If an event can occur in 'm' different ways, following which another event can occur in 'n' different ways, then the total numbers of occurrence of the events in the given order is __________________
6. A passcode is made of 5 digits. How many maximum numbers of ways incorrect passcode is entered?
7. If a code involves one letter of English alphabet at first place and a number at second place. Numbers can be used from 1 to 9. How many codes are possible using the letters of alphabet and numbers?
8. Find the number of 5 letter words which can be formed from word PULSE without repetition.
9. Find the number of words which can be made using all the letters of the word IMAGE. If these words are written as in a dictionary, what will be the rank of MAGIE?
10. Find the number of different 8-letter arrangements that can be made from the letters of the word EDUCATION so that all vowels occur together.
11. How many 4 digits even numbers are possible from digits 1 to 9 if repetition is not allowed?