Waec Mathematics Past Questions and Answers

Question 276:

• WAEC 1992

The data below shows the frequency distribution
of marks scored by a group of students in a class
test.

Find the mean mark.

A. 1
B. 1.3
C. 2
D. 3
E. 3.8

Question 277:

• WAEC 1992

A group of students measured a certain angle
(to the nearest degree) and obtained the following
results: 75^o, 76^o, 72^o, 73^o, 74^o, 79^o, 72^o, 72^o, 77^o,
72^o, 71^o, 70^o, 78^o, 73^o. Find the mode

A. 79^o
B. 78^o
C. 74^o
D. 73^o
E. 72^o

Question 278:

• WAEC 1992

Marks	1	2	3	4	5	6	7	8	9	10
No of students	1	3	2	0	1	6	1	0	1	0

The table above shows the scores of 15 students in a Physics test.
How many students scored at least 5?

A. 1
B. 6
C. 8
D. 9
E. 14

Question 279:

• WAEC 1992

A number is chosen at random from the set (1 ,2,3
....,9, 10). What is the probability that the number
is greater than or equal to 7?

A. 1/10
B. 3/10
C. 2/5
D. 3/5
E. 7/10

Question 280:

• WAEC 1992

What is the probability of throwing a number greater than 2 with a single fair die

A. 1/6
B. 1/3
C. 1/2
D. 2/3
E. 5/6