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#Exemplar Maths for Class 11
#Permutations and Combinations
#Maths
#NCERT

#1.3
#8.5
#Fill in the blanks
#Match the column
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How many committee of five persons with a chairperson can be selected from 12 persons? [Hint: Chairman can be selected in 12 ways and remaining in $^{11} C_4$ .]

Answers (1)

Out of 12 persons, a chairperson can be selected in $^{12}C_1$ = 12 ways.

The remaining 4 persons can be selected out of 11 persons in $^{11}C_4$ = 330 ways

Total number of committee = $12*330=3960$

Posted by

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How many committee of five persons with a chairperson can be selected from 12 persons? [Hint: Chairman can be selected in 12 ways and remaining in .]

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How many committee of five persons with a chairperson can be selected from 12 persons? [Hint: Chairman can be selected in 12 ways and remaining in $^{11} C_4$ .]