4 boys and 2 girls are to be seated in a row in such a way that the two girls are always together.
4 boys and 2 girls are to be seated in a row in such a way that the two girls are always together. In how many different ways can they be seated?
Answer/Solution
240
Steps/Work
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
Answer D
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
Answer D