In how many ways Five boys and five girls can be arranged in a line so that no two girls sit together
ajaylakshya , 7 Years ago
Grade 11
Algebra> In how many ways Five boys and five girls...
1 Answers
Nandana
Last Activity: 7 Years ago
it is like this
there are 5 boys & 5 girls , then no two girls come together in this way –
G B G B G B G B G B or
B G B G B G B G B G
so , for the 1st way they can arrange in 5! × 5! ways &
for the 2nd way also 5! × 5! ways , so totally
2 (5! × 5!) ways
i.e. 28800 ways
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