At a bank's annual maintenance engineering conference, there are 10 engineers a room. If every engineer shakes hands with every other engineer…

  1. At a bank's annual maintenance engineering conference, there are 10 engineers a room. If every engineer shakes hands with every other engineer exactly unce what is the total number of handshakes that take place? (10)

From the Combined Bank Assistant Maintenance Engineer (IT) January 2026 – Written exam, question 12 of 15.

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