There are 12 delegates at a conference.
Each delegate shakes hands with every other delegate exactly once.
Work out the total number of handshakes.
Practise Eduqas GCSE Maths The Product Rule for Counting with exam-style questions for Foundation and Higher tier. 68 questions, matched to the Eduqas GCSE Maths (C300QS) specification and written in Component 1 and Component 2 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.