1.

The number of committees of five persons with a chairperson that can be formed from 12 persons, is(a) 12C5(b) 12C4(c) 12 × 11C4(d) 11C4

Answer» The number of committees of five persons with a chairperson that can be formed from 12 persons, is

(a) 12C5

(b) 12C4

(c) 12 × 11C4

(d) 11C4


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