Waec Mathematics Past Questions and Answers

Question 611:

• WAEC 1999

Simplify log\(_7\) 8 - log\(_7\) 2 + log\(_7\) 4.

B. \(2log_7 2\)
C. \(3log_7 2\)
D. \(4log_7 2\)

Question 612:

• WAEC 1999

If \(K\sqrt{28}+\sqrt{63}-\sqrt{7}=0\), find K.

A. -2
B. -1
C. 1
D. 2

Question 613:

• WAEC 1999

From a set \(A = [3, \sqrt{2}, 2\sqrt{3}, \sqrt{9}, \sqrt{7}]\), a number is selected at random. Find the probability that is a rational number

A. \(\frac{1}{5}\)
B. \(\frac{2}{5}\)
C. \(\frac{3}{5}\)
D. \(\frac{4}{5}\)

Question 614:

• WAEC 1999

The pie chart illustrate the amount of private time a student spends in a week studying various subjects. use it to answer the question below
Find the value of K

A. 15^o
B. 30^o
C. 60^o
D. 90^o

Question 615:

• WAEC 1999

[/i]
[i]The pie chart illustrate the amount of private time a student spends in a week studying various subjects. use it to answer the question below
If he sends \(2\frac{1}{2}\) hours week on science, find the total number of hours he studies in a week

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