Waec Mathematics Past Questions For Year 2020
Question 6
Express 1 + 2 log10\(^3\) in the form log10\(^9\)
- A. log10\(^{90}\)
- B. log10\(^{19}\)
- C. log10\(^{9}\)
- D. log10\(^{6}\)
Question 7
Simplify; [(\(\frac{16}{9}\))\(^{\frac{-3}{2}}\) x 16\(^{\frac{-3}{2}}\)]\(^{\frac{1}{3}}\)
- A. \(\frac{3}{4}\)
- B. \(\frac{9}{16}\)
- C. \(\frac{3}{8}\)
- D. \(\frac{1}{4}\)
Question 8
Solve \(\frac{1}{3}\)(5 - 3x) < \(\frac{2}{5}\)(3 - 7x)
- A. x > \(\frac{7}{22}\)
- B. x < \(\frac{7}{22}\)
- C. x > \(\frac{-7}{27}\)
- D. x < \(\frac{-7}{27}\)
Question 9
The first term of a geometric progression (G.P) is 3 and the 5th term is 48. Find the common ratio.
- A. 2
- B. 4
- C. 8
- D. 16
Question 10
The implication x \(\to\) y is equivalent to?
- A. ~ y \(\to\) ~ x
- B. y \(\to\) ~ x
- C. ~ x \(\to\) ~ y
- D. y \(\to\) x
