Waec Mathematics 2015 Past Questions and Answers

Question 41:

• WAEC 2015

Describe the shaded portion in the diagram

A. P' \(\cap\) Q \(\cap\) R'
B. (P' \(\cap\) R)' \(\cap\) R
C. P' \(\cap\) Q \(\cap\) R
D. (P \(\cap\) Q)' \(\cap\) R

Question 42:

• WAEC 2015

Find the value of p if \(\frac{1}{4}\)p + 3q = 10 and 2p - q = 7

A. 4
B. 3
C. -3
D. -4

Question 43:

• WAEC 2015

Calculate the mean deviation of 5, 3, 0, 7, 2, 1

A. 0.0
B. 2.0
C. 2.5
D. 3.0

Question 44:

• WAEC 2015

In the diagram, the shaded part is carpet laid in a room with dimensions 3.5m by 2.2m leaving a margin of 0.5m round it. Find area of the margin

A. 4.7m²
B. 4.9m²
C. 5.7m²
D. 5.9m²

Question 45:

• WAEC 2015

Two angles of a pentagon are in the ratio 2:3. The others are 60^o each. Calculate the smaller of the two angles

A. 72^o
B. 100^o
C. 120^o
D. 144^o