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Class XI-XII Tuition (PUC),
Mathematics(Class XI-XII Tuition (PUC))
A selection committee is to be chosen consisting of 5 ex-technicians. Now there are 12 representatives from four zones. It has further been decided that if Mr. X is selected, Y and Z will not be selected and vice-versa. In how many ways it can be done?
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Milan Singh replied | 22/10/2016
If X is chosen 9C4, If X is not Chosen 11C5 => 9C4+11C5 = 588
Prateek replied | 29/10/2016
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