Waec Mathematics Past Questions and Answers

Question 731:

• WAEC 2001

If N varies directly as M and N = 8 when M = 20 find M when N = 7

A. 13
B. 15
C. \(17\frac{1}{2}\)
D. \(18\frac{1}{2}\)

Question 732:

• WAEC 2001

Express 0.0462 in standard form

A. 0.460 x 10^-1
B. 0.462 x 10^-2
C. 4.62 x 10^-1
D. 4.62 x 10^-2

Question 733:

• WAEC 2001

In a bag of oranges, the ratio of the good ones to the bad ones is 5:4. If the number of bad oranges in the bag is 36, how many oranges are there in the altogether?

A. 81
B. 72
C. 54
D. 45

Question 734:

• WAEC 2001

A boy estimated his transport fare for a journey as N190 instead of N200. Find the percentage error in his estimate

A. 95%
B. 47.5%
C. 5.26%
D. 5%

Question 735:

• WAEC 2001

Evaluate \(5\frac{2}{5}\times \left(\frac{2}{3}\right)^2\div\left(1\frac{1}{2}\right)^{-1}\)

A. \(\frac{8}{25}\)
B. \(\frac{12}{25}\)
C. \(3\frac{3}{5}\)
D. \(4\frac{1}{8}\)