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In how many of ways can 5 balls be placed in 4 tins if any n
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14 May 2019, 00:22
14 May 2019, 00:22
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Question Stats:
15% (01:42) correct
84% (00:50) wrong based on 19 sessions
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In how many of ways can 5 balls be placed in 4 tins if any number of balls can be placed in any tin?
(A) \(5C_4\)
(B) \(5P_4\)
(C) \(5^4\)
(D) \(4^5\)
(E) \(5^5\)
(A) \(5C_4\)
(B) \(5P_4\)
(C) \(5^4\)
(D) \(4^5\)
(E) \(5^5\)
Re: In how many of ways can 5 balls be placed in 4 tins if any n
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22 Aug 2019, 19:35
22 Aug 2019, 19:35
1
Carcass wrote:
In how many of ways can 5 balls be placed in 4 tins if any number of balls can be placed in any tin?
(A) \(5C_4\)
(B) \(5P_4\)
(C) \(5^4\)
(D) \(4^5\)
(E) \(5^5\)
(A) \(5C_4\)
(B) \(5P_4\)
(C) \(5^4\)
(D) \(4^5\)
(E) \(5^5\)
we think of this one as each ball having for options of tins it can be placed into.
so 4 options for the first, 4 for the second, etc...
4*4*4*4*4 = 4^5
D.
gmatclubot
Re: In how many of ways can 5 balls be placed in 4 tins if any n [#permalink]
22 Aug 2019, 19:35
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