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If P = 18, Q = 21, R = -6 and S = -4, Calculate...

Mathematics
JAMB 1986

If P = 18, Q = 21, R = -6 and S = -4, Calculate \(\frac{(P- Q)^3 + S^2}{R^3}\) 

  • A. \(\frac{-11}{216}\)
  • B. \(\frac{11}{216}\)
  • C. \(\frac{-43}{116}\)
  • D. \(\frac{43}{116}\)
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Correct Answer: Option B
Explanation

\(\frac{(P- Q)^3 + S^2}{R^3}\) = \(\frac{(18 - 21)^3 + (-4)^2}{(-6)^3}\)

= \(\frac{-27 + 16}{R^3}\)

= \(\frac{-11}{-216}\)

= \(\frac{11}{216}\)


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JAMB CBT Software 2025 - Free Download
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