4 boys and 2 girls are to be seated in a row in such a way that the two girls are always to gether I...........

Quantitative Aptitude ( CCS) Permutation & Combination

4 boys and 2 girls are to be seated in a row in such a way that the two girls are always to-gether. In how many different ways can they be seated?

1200

7200

148

240

Assume the 2 given students to be together (i.e. one). Now there are five students.

Possible ways of arranging them are = 5! = 120

Now they (two girls) can arrange themselves in 2! ways.

Hence total ways = 120 × 2 = 240

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