Waec Mathematics Past Questions and Answers

Question 1231:

• WAEC 2009

If log 2 = x, log 3 = y and log 7 = z, find, in terms of x, y and z, the value of log (\(\frac{28}{3}\))

A. 2x + y - z
B. 2x + x - y
C. X + y - 2x
D. X + x - y

Question 1232:

• WAEC 2009

Arrange the following numbers in descending orders of magnitude: 22_three, 34_five, 21_six

A. 21_six, 22_three, 34_five,
B. 21_six, 34_five, 22_three
C. 22_three, 34_five, 21_six
D. 34_five, 21_six, 22_three

Question 1233:

• WAEC 2009

Find the value to which N3000.00 will amount in 5 years at 6% per annum simple interest

A. N3,900.00
B. N3,750.00
C. N3,600.00
D. N3,300

Question 1234:

• WAEC 2009

Express the square root of 0.000144 in the standard form

A. 1.2 x 10^-4
B. 1.2 x 10^-3
C. 1.2 x 10^-2
D. 1.2 x 10^-1

Question 1235:

• WAEC 2009

Two sets are disjoint if

A. They are both empty
B. Their union is an empty set
C. Their intersection is an empty set
D. One of them is a subset of the other