Question

There are 6 Indians 8 foreigners

Find number of committee form with atteast 2 Indians such that number of foreigners is twice the number of Indians.

(1) 1625

(2) 1050

(3) 1400

(4) 575

Answer 1

no of indians                 foreigners                                       ways
2                                         4                                         6c2*8c4 = 1050

3                                         6                                         6c3*8c6 = 560

4                                         8                                         6c4 = 15

                                                          

                                                    total = 1625