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Tuesday, 19 May 2026
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Mathematics Past Questions and Answers

Waec Mathematics Questions

Question 356:
If the 2nd and 5th terms of a G.P are 6 and 48 respectively, find the sum of the first for term
  • A -45
  • B -15
  • C 15
  • D 33
  • E 45
View Answer & Explanation
Question 357:
If the 2nd and 5th terms of a G.P are 6 and 48 respectively, find the sum of the first for term
  • A -45
  • B -15
  • C 15
  • D 33
  • E 45
View Answer & Explanation
Question 358:
If sin\( \theta \) = K find tan\(\theta\), 0° \(\leq\) \(\theta\) \(\leq\) 90°.
  • A 1-K
  • B \( \frac{k}{k - 1} \)
  • C \( \frac{k}{\sqrt{1 - k^2}} \)
  • D \( \frac{k}{1 - k} \)
  • E \( \frac{k}{\sqrt{ k^2 - 1}} \)
View Answer & Explanation
Question 359:
Simplify: \(2\frac{1}{3} \div 2\frac{2}{3} \times 1\frac{1}{7}\)
  • B 1
  • C 2
  • D 3
  • E 4
View Answer & Explanation
Question 360:
Which of the following is equal to \(\frac{72}{125}\)
  • A \( \frac{2^3 \times 3^2}{5^3} \)
  • B \( \frac{2^4 \times 3}{5^3} \)
  • C \( \frac{2^3 \times 3}{5^3} \)
  • D \( \frac{2^4 \times 3}{5^5} \)
  • E \( \frac{2^2 \times 3^2 \times 4^2}{5^2} \)
View Answer & Explanation