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NDA 2022

Exam: NDA
Year: 2022
Subject: Mathematics
Chapter: Permutation and Combination

NDA 2022 · Mathematics · Permutation and Combination

Paragraph: Consider the word 'QUESTION' : Question: How many 8...

Paragraph: Consider the word 'QUESTION' :Question: How many 8 -letter words with or without meaning, can be formed so that all consonants are together?

Options

A $5760$
B $2880$
C $1440$
D $720$

Correct answer

B. $2880$

Step-by-step solution

Number 8 letter words such that all consonants are together

=4!5!=2880

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