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jee king king Grade: 12

There are counters available in x different colors. The counters are all alike except for th color. The total no of arrangements consisting of y counters, assuming sufficient no. of counters of each color, if no arrangemaent consists of all counters of the same color is?

8 years ago

Answers : (1)

Badiuddin askIITians.ismu Expert
147 Points

Dear jee king

first counter can be selected in x way

second counter can be selected in x ways



. yth counter can be selected in x ways

 total ways =xy

but it is also include that case in which all the counter are of same colour

so total posible selection = xy-x

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Askiitians Experts

8 years ago
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