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four brothers and three sisters set in a single row, facing the photographers camera. if the three sisters sit together, how many different photographs having all of them , can be clicked ?
Read Solution (Total 5)
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- all sisters r sit together count 3 sisters =1
then total 5!*3!
- 12 years agoHelpfull: Yes(19) No(0)
- consider three sister as a single unit,now 4 brothers and group of 3 sisters considered as 5 units and it can be arranged in 5! ways
now 3 sisters can be arranged themself in 3! ways.Hence ans=5!*3! - 12 years agoHelpfull: Yes(7) No(0)
Total number of combination=5!*3!- 12 years agoHelpfull: Yes(1) No(0)
- there are 5 ways photographs caan be clicked,
3 sisters sit together
s denotes sisters and b denotes brothers ans possibilities are
3b 3s 1b
3s 4b
1b 3s 3b
2b 2s 2b
4b 3s - 12 years agoHelpfull: Yes(0) No(7)
- 6 photos.3 sisters can be arranged in 3! ways.since there is no ques abt bros.so these bors also have 6 photos.
- 12 years agoHelpfull: Yes(0) No(0)
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