There are counters available in 3 different colours. The counters a...

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There are counters available in 3 different colours. The counters are all alike except for the colour. Find the total number of arrangements consisting of 5 counters, assuming sufficient number of counters
\( \mathrm{P} \) of each colour, if each arrangement consists of counters of every colour.
(A) 90
(B) 150
(C) 540
(D) 196
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