1.

Answer these questions independently of each other. In how many ways can 12 soldiers stand in three queue such that each queue has same number of soldiers?

Answer»

`^12P_4xx^8P_4xx^4P_4`
`^12P_4xx3!`
`^12P_4xx^12P_4xx^12P_4 xx3!`
`^12P_4xx^8P_4xx^4P_4xx3!`

ANSWER :D


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