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Questions › JNU › JNU SSS 2018 › Q20
1 mark, −0.25Mathematics › Logic and proof techniques › Logical reasoning puzzlesModerateabout 1 min

JNU SSS 2018 Question 20: Logic and proof techniques

A student studying the weather for xxx days observed that (i) it rained on 7 days, morning or afternoon; (ii) when it rained in the afternoon, it was clear in the morning; (iii) there were five clear afternoons; and (iv) there were six clear mornings. Then xxx equals

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A student studying the weather for x days observed that (i) it rained on 7 days, morning or afternoon; (ii) when it rained in the afternoon, it was clear in the morning; (iii) there were five clear afternoons; and (iv) there were six clear mornings. Then x equals (A) 7 (B) 11 (C) 10 (D) 9

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.

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