The Product Rule for Counting

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Question 35

A group of 12 friends meet at a cafe.

Every person in the group buys a small gift for every other person in the group. However, instead of exchanging gifts, they decide to pair up and take one photo of every possible pair of people.

Work out the total number of photos taken.

[2]

The Product Rule for Counting

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Question 35

A group of 12 friends meet at a cafe.

Every person in the group buys a small gift for every other person in the group. However, instead of exchanging gifts, they decide to pair up and take one photo of every possible pair of people.

Work out the total number of photos taken.

[2]

The Product Rule for Counting

Question 35

The Product Rule for Counting Questions

The Product Rule for Counting

Question 35

The Product Rule for Counting Questions