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P, Q, and R are three consecutive odd numbers in ascending order. If the value of three times P is 3 less than two times R. Find the value of R. - Mathematics

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MCQ

P, Q, and R are three consecutive odd numbers in ascending order. If the value of three times P is 3 less than two times R. Find the value of R.

Options

  • 5

  • 7

  • 9

  • 11

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Solution

9

Explanation:

Let consecutive odd numbers P, Q and R be x, x + 2 and x + 4 respectively.

ATQ

2R – 3P = 3

2(x + 4) – 3 (x) = 3

2x + 8 – 3x = 3

– x = – 5

x =5

∴ R = 5 + 4 = 9

Concept: Number System (Entrance Exam)
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