Coburg Banks | Multi-sector UK recruitment agency

The Petri Dish Puzzle.

By Anthony Hughes | Dec 22, 2013 | Friday Funnies

Brainteaser Answer 10:

12.59 pm

This little cheeky brainteaser depends on a tendency to over-think the question.
You really don’t need to consider the ins and outs of bacteria, half-life and decay; you just need to work backwards and use a little bit of common sense!

At 1 pm the dish is full. If bacteria doubles every minute, then one minute earlier, the dish must have been half full. Bob’s your uncle; the dish was half-full at 12.59 pm!

- Anthony Hughes

Anthony Hughes

Anthony is a recruitment veteran of 18 years and is also one of the original founders of Coburg Banks. He now trains recruitment consultants on the best methods to utilise when sourcing and assessing applicants for their clients. 

 

> More blog posts by Anthony Hughes

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