In how many ways can the letters of 'REGULATION' be arranged so that the vowels come at
odd places?
(a 14400
(b) 14444
(0) 144252
(d) None of these
Answers
Answered by
4
Answer:
here is your answer buddy
Step-by-step explanation:
the correct answer is 14400
please refer the pic.
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Attachments:
Answered by
2
Answer:
14,400
Step-by-step explanation:
• REGULATION
• VOWELS= E,U,A,I,O
•CONSONANTS= R,G,L,T,N
• REGULATION IS A TEN LETTER WORD SO THERE ARE TEN PLACES
• IN TEN PLACES THERE ARE 5 ODD PLACES
• 5 VOWELS ARE ARRANGED IN 5 PLACES IN 5! WAYS
• 5 CONSONANTS ARRANGED IN REMAINING 5 PLACES IN 5 ! WAYS
• 5!×5!
• (5×4×3×2×1)×(5×4×3×2×1)
• 120×120
• 14,400
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