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Multinomial Theorem

How many diff...

Question

How many different possible combinations of one colour pencil and one rubber cap can be formed from 5 different colour pencils and 6 different rubber caps ?

A

22

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B

25

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C

36

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D

30

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Solution

The correct option is A $30$
Total number of pencils= $5$
Total number of rubber caps= $6$
Therefore maximum combination of $1$ pencil and $1$ rubber cap is $5 \times 6 = 30$

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