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Lf the 1st Flag is Red and the 2nd Pennant is Blue, Then Which One of the Following is Not Necessarily True? - Logical Reasoning

MCQ

The question is based on a set of conditions. Choose the response that most accurately and completely answer the question.

There are five flagpoles lined up next to each other in a straight row in front of a school. Each flagpole flies one flag (red, white, or blue) and one pennant (green, white, or blue). The following are conditions that affect the placement of flags and pennants on the poles: On a given flagpole, the pennant and the flag cannot be the same colour. Two adjacent flagpoles cannot fly the same colour flags. Two adjacent flagpoles cannot fly the same colour pennants. No more than two of any colour flag or pennant may fly at one time.

lf the 1st flag is red and the 2nd pennant is blue, then which one of the following is NOT necessarily true?

Options

  • The second flag is white.

  • If the 5th flag is red, then the 3rd flag is blue

  • If the 4th pennant is green, then the 1st pennant is white.

  • If the 1st and 5th flags are the same colour, then the 3rd flag is blue.

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Solution

If the 4th pennant is green, then the 1st pennant is white.

Concept: Problem Solving Ability (Entrance Exam)
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