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Find the number of 5 letter words which can be formed from word PULSE without repetition.

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in Mathematics - Class 11 by (789k points)
Find the number of 5 letter words which can be formed from word PULSE without repetition.

(a) 20

(b) 60

(c) 120

(d) 240

This question was addressed to me at a job interview.

My query is from Fundamental Principle of Counting topic in chapter Permutations and Combinations of Mathematics – Class 11

1 Answer

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Best answer
Correct answer is (c) 120

Explanation: PULSE is a 5 letters word. By the fundamental principle of counting, total number of possible words without repetition are 5*4*3*2*1 = 120.

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