Waec Mathematics 2013 Past Questions and Answers

Question 46:

• WAEC 2013

In the diagram, PQRST is a regular polygon with sides QR and TS produced to meet at V. Find the size of < RVS

A. 36^o
B. 54^o
C. 60^o
D. 72^o

Question 47:

• WAEC 2013

In the diagram, PQ is a straight line. Calculate the value of the angle labelled 2y

A. 130^o
B. 120^o
C. 110^o
D. 100^o

Question 48:

• WAEC 2013

In the diagram, ST//PQ reflex angle SRQ = 198^o and < RQp = 72^o. Find the value of y

A. 18^o
B. 54^o
C. 87^o
D. 92^o

Question 49:

• WAEC 2013

Using the venn diagram, find n(x \(\cap\) y¹)

A. 2
B. 3
C. 4
D. 6

Question 50:

• WAEC 2013

(a) Simplify, without using tables or calculator : \(\frac{\frac{3}{4}(3\frac{3}{8} + 1\frac{5}{8})}{2\frac{1}{8} - 1\frac{1}{2}}\).
(b) Given that \(\log_{10} 2 = 0.3010\) and \(\log_{10} 3 = 0.4771\), evaluate, correct to 2 significant figures and without using tables or calculator, \(\log_{10} 1.125\).