RRB Paramedical Staff Nurse Model Paper 3

Question : 55 of 100

Marks: +1, -0

There are 8 consonants and 5 vowels in a word jumble. In how many ways can we form 5 -letter words having three consonants and 2 vowels?

Solution:

Total ways

={ }^{8}{C}_{3}×{ }^{5}{C}_{2} × 5 !

=\;{8 × 7 × 6}/{3 × 2} × \;{5 × 4}/{2} × 120=67,200

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