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Questions › DSE › DSE 2009 › Q22
2 marksMathematics › Logic and proof techniques › Logical reasoning puzzlesHardabout 4 min

DSE 2009 Question 22: Logic and proof techniques

The WOW Language has only 2 letters, O and W, and obeys: (i) deleting successive letters WO from any word with more than 2 letters gives another word with the same meaning; (ii) inserting OW or WWOO in any place in a word yields another word with the same meaning. O, OWOOW, WOO and OWW are 4 words in this language. Which statement is FALSE?

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Logic and proof techniques has come up 73 times in 3 exams since 2004.

What this question tests

This question is on Logical reasoning puzzles, part of Logic and proof techniques in Mathematics.

Deduction problems that ask what must follow from a set of constraints.

TestStop has 47 past-paper questions on this subtopic.

Practise Logic and proof techniquesMore on Logical reasoning puzzles

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Question from the DSE 2009 paper. Solutions are TestStop's own. Not affiliated with or endorsed by any examination authority.