1990 - WAEC Mathematics Past Questions and Answers - page 1

Simplify 125${}^{\frac{-1}{3}}$ x 49${}^{\frac{-1}{2}}$ x 10${}^0$

If 3${}^{2x}$ = 27, what is x?

Express 0.00562 in standard form

Given that 1/3log₁₀ P = 1, find the value of P

Simplify $\frac{\log \sqrt{8}}{\log 8}$

Evaluate using the logarithm table, log(0.65)²

If log x = $\overline{2}.3675$ and log y = 0.9750, what is the value of x + y? Correct to three significant figures

While doing his physics practical, Idowu recorded a reading as 1.12cm instead of 1.21cm. Calculate his percentage error

Find the 4th term of an A.P, whose first term is 2 and the common difference is 0.5

From the graph determine the roots of the equation y = 2x² + x - 6