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Thursday, 14 May 2026
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Mathematics Past Questions and Answers

Waec Mathematics Questions

Question 1761:
In a class of 45 students, 28 offer chemistry and 25 offer Biology. If each student offers at least one of the two subjects, calculate the probability that a student selected at random from the class the class offers chemistry only.
  • A \(\frac{2}{9}\)
  • B \(\frac{4}{9}\)
  • C \(\frac{5}{9}\)
  • D \(\frac{7}{9}\)
View Answer & Explanation
Question 1762:
In the diagram, NQ//TS, <RTS = 50\(^o\) and <PRT = 100\(^o\). Find the value of <NPR
  • A 110\(^o\)
  • B 130\(^o\)
  • C 140\(^o\)
  • D 150\(^o\)
View Answer & Explanation
Question 1763:
A stationary boat is observed from a height of 100m. If the horizontal distance between the observer and the boat is 80m, calculate, correct to two decimal places, the angles of depression of the boat from point of observation
  • A 36.87\(^o\)
  • B 39.70\(^o\)
  • C 51.34\(^o\)
  • D 53.13\(^o\)
View Answer & Explanation
Question 1764:
The diagonal of a square is 60 cm. Calculate its peremeter
  • A 20\(\sqrt{2}\)
  • B 40\(\sqrt{2}\)
  • C 90\(\sqrt{2}\)
  • D 120\(\sqrt{2}\)
View Answer & Explanation
Question 1765:
Find the value of m in the diagram
  • A 72\(^o\)
  • B 68\(^o\)
  • C 44\(^o\)
  • D 34\(^o\)
View Answer & Explanation