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PRIYANKA RATHORE

· started a discussion

· 1 Months ago

WHY !3 &!2 SUBTRACTED FROM!4 (Question:634217.0)

WHY !3&!2 subtracted from!4

Question:

In how many different ways can the letter of the word “Hope” can be arranged so that no two vowel come together?

Options:
A) 4
B) 12
C) 1
D) 3
Solution:
Ans: (b) 4! – 3! × 2! = 12

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