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Byju's Answer
Standard VII
Mathematics
Long Division Method
From 10 per...
Question
From
10
persons waiting in a queue, in how many ways can a selection of
6
be made so that a
specified person is always excluded?
A
126
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B
84
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C
94
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D
125
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Solution
The correct option is
B
84
Total number of person
=
10
Number of person to be selected
=
6
Hence a specified person is always excluded
=
1
×
9
C
6
=
84
Hence the correct answer is
84
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