Q:
In how many ways can 4 girls and 5 boys be arranged in a row so that all the four girls are together ?
Answer & Explanation
Answer: B) 17280
Explanation: Let 4 girls be one unit and now there are 6 units in all.
They can be arranged in 6! ways.
In each of these arrangements 4 girls can be arranged in 4! ways.
Total number of arrangements in which girls are always together = 6! x 4!= 720 x 24 = 17280
View Answer
Report Error
Discuss