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Wednesday, 13 May 2026
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Mathematics Past Questions and Answers

Waec Mathematics Questions

Question 911:
Given that sin (5x - 28)o = cos (3x - 50)o,0 < x < 90o, find the value of x
  • A 14o
  • B 21o
  • C 32o
  • D 39o
View Answer & Explanation
Question 912:
Solve for t in the equation \(\frac{3}{4}t+\frac{1}{3}(21-t)\) = 11,
  • A \(\frac{9}{13}\)
  • B \(\frac{9}{5}\)
  • C 5
  • D \(9\frac{3}{5}\)
View Answer & Explanation
Question 913:
A school girl spends \(\frac{1}{4}\) of her pocket money on books and \(\frac{1}{3}\) on dress. What fraction remains?
  • A \(\frac{5}{6}\)
  • B \(\frac{7}{12}\)
  • C \(\frac{5}{12}\)
  • D \(\frac{1}{6}\)
View Answer & Explanation
Question 914:
In the diagram, \(R\hat{P}Q = Q\hat{R}Y, \hspace{1mm} P\hat{Q}R = R\hat{Y}Q, \\ \hspace{1mm}|QP| = 3cm \hspace{1mm}|QY| = 4cm \hspace{1mm}and \hspace{1mm}|RY | = 5cm. \hspace{1mm} Find \hspace{1mm}|QR|\)
  • A 2.0cm
  • B 2.5cm
  • C 6.4cm
  • D 10.0cm
View Answer & Explanation
Question 915:
Find the value of x in the diagram
  • A 10o
  • B 28o
  • C 36o
  • D 44o
View Answer & Explanation