Waec Mathematics Past Questions and Answers

Question 1656:

• WAEC 2016

If 23_x + 101_x = 130_x, find the value of x

A. 7
B. 6
C. 5
D. 4

Question 1657:

• WAEC 2016

If 23_x + 101_x = 130_x, find the value of x

A. 7
B. 6
C. 5
D. 4

Question 1658:

• WAEC 2016

Simplify: (\(\frac{3}{4} - \frac{2}{3}\)) x 1\(\frac{1}{5}\)

A. \(\frac{1}{60}\)
B. \(\frac{5}{72}\)
C. \(\frac{1}{10}\)
D. 1\(\frac{7}{10}\)

Question 1659:

• WAEC 2016

Simplify:(\(\frac{10\sqrt{3}}{\sqrt{5}} - \sqrt{15}\))²

A. 75.00
B. 15.00
C. 8.66
D. 3.87

Question 1660:

• WAEC 2016

The distance, d, through which a stone falls from rest varies directly as the square of the time, t, taken. If the stone falls 45cm in 3 seconds, how far will it fall in 6 seconds?

A. 90cm
B. 135cm
C. 180cm
D. 225cm