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Byju's Answer
Standard VII
Mathematics
Multiplication of Integers
Consider the ...
Question
Consider the word
′
P
E
R
M
U
T
A
T
I
O
N
′
.
How many permutations can be made such that a word should always start with a vowel?
A
5
×
10
!
2
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B
10
!
2
!
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C
5
!
×
6
!
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D
none of these
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Solution
The correct option is
A
5
×
10
!
2
5
C
1
Ways
=
5
Rest
10
blanks
⟶
10
letters
Number of ways
=
10
!
2
!
Ways
(Therefore
T
is repeated twice )
Total number of ways
=
5
!
×
10
!
2
!
ways
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0
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Q.
Consider the word
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