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There are 12 people in a wedding party. How many different ways can fi
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30 Mar 2022, 02:00
30 Mar 2022, 02:00
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75% (00:48) correct
25% (00:59) wrong based on 12 sessions
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There are 12 people in a wedding party. How many different ways can five of them be arranged from left to right for a photograph?
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95,040
Part of the project: GRE Quantitative Reasoning Daily Challenge - (2022) EDITION
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GRE Math Essentials for a TOP Quant Score - Q170!!! (2021)
GRE Geometry Formulas for a Q170
GRE - Math Book
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
GRE Math Essentials for a TOP Quant Score - Q170!!! (2021)
GRE Geometry Formulas for a Q170
GRE - Math Book
Re: There are 12 people in a wedding party. How many different ways can fi
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31 Mar 2022, 07:04
31 Mar 2022, 07:04
1
Using slot approach. Let there be 5 slots
1st slot can be filled in 12 ways
2nd slot can be filled in 11 ways
3rd slot can be filled in 10 ways
4th slot can be filled in 9 ways
5th slot can be filled in 8 ways
total arrangements = 12*11*10*9*8 = 95040 ways
1st slot can be filled in 12 ways
2nd slot can be filled in 11 ways
3rd slot can be filled in 10 ways
4th slot can be filled in 9 ways
5th slot can be filled in 8 ways
total arrangements = 12*11*10*9*8 = 95040 ways
Re: There are 12 people in a wedding party. How many different ways can fi
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20 Jun 2023, 15:05
20 Jun 2023, 15:05
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