Monday, 6 May 2019

Epping Forest Tube Puzzle

HEADING to Loughton for an Epping Forest walk with Redbridge Ramblers, I saw this serial number on a Central Line carriage: 91335
As usual, each number should be used once, and once only, and must be added, subtracted, multiplied or divided to make a balanced equation.
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My solution: 3 + (9 ÷ 3) = 1 + 5

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