Course home

The Product Rule for Counting

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128

Question 61

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]

Video walkthrough

The Product Rule for Counting Questions

GCSE
Maths
The Product Rule for Counting

181 exam-style questions on OCR GCSE Maths The Product Rule for Counting. Each one has a worked solution and a mark scheme showing where the marks go.

The Product Rule for Counting

Question bank

The Product Rule for Counting

Easy Medium

Question 61

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]

Video walkthrough

The Product Rule for Counting Questions

GCSE
Maths
The Product Rule for Counting

181 exam-style questions on OCR GCSE Maths The Product Rule for Counting. Each one has a worked solution and a mark scheme showing where the marks go.