alleryStart learning →Four boys and three girls stand in a row with no two girls adjacent. How many ways?
A2880
B5040
C720
D1440
Answer & Solution
Correct answer: D. 1440
Arrange boys in 4! = 24 ways, then place girls in 3 of the 5 gaps in 5P3 = 60 ways: 24 x 60 = 1440.
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