Waec Mathematics 2017 Past Questions and Answers

Question 41:

• WAEC 2017

In the diagram, PQ and PS are tangents to the circle O. If PSQ = m, <SPQ = n and <SQR = 33\(^o\), find the value of (m + n)

A. 103\(^o\)
B. 123\(^o\)
C. 133\(^o\)
D. 143\(^o\)

Question 42:

• WAEC 2017

Marks	0	1	2	3	4	5
Frequency	7	4	18	12	8	11

The table gives the distribution of marks obtained by a number of pupils in a class test. Using this information, Find the median of the distribution

A. 4
B. 3
C. 1
D. 2

Question 43:

• WAEC 2017

Marks	0	1	2	3	4	5
Frequency	7	4	18	12	8	11

The table gives the distribution of marks obtained by a number of pupils in a class test. Using this information, find the first quartile

A. 1.0
B. 1.5
C. 2.0
D. 2.5

Question 44:

• WAEC 2017

In a class of 45 students, 28 offer chemistry and 25 offer Biology. If each student offers at least one of the two subjects, calculate the probability that a student selected at random from the class the class offers chemistry only.

A. \(\frac{2}{9}\)
B. \(\frac{4}{9}\)
C. \(\frac{5}{9}\)
D. \(\frac{7}{9}\)

Question 45:

• WAEC 2017

In the diagram, NQ//TS, <RTS = 50\(^o\) and <PRT = 100\(^o\). Find the value of <NPR

A. 110\(^o\)
B. 130\(^o\)
C. 140\(^o\)
D. 150\(^o\)