CBSE Class 11-science Answered
pl solve
Asked by Kirandoon | 09 Nov, 2008, 08:22: PM
Expert Answer
Here the boys and girls need to be arranged in one single row not rows .
Now , there are 11 places . You seat the boys in alternate places starting from the first or second or third place
So boys can be seated in 3 x 5 ! ways .
Now there is no problem in seating the girls , they can be together too. So 6 ! ways
So together , they can be seated in 3 x 5! x 6! ways
Answered by | 10 Nov, 2008, 09:31: AM
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