Mathematics Past Questions and Answers

The position of three ships P,Q and R at sea are illustrated in the diagram. The arrows indicated the North direction. The bearing of Q from P is 050^o and < PQR = 72^o. Calculate the bearing of R and Q

A 155^o
B 80^o
C 158^o
D 91^o

Question 3787:

The bar chart shows the frequency distribution of marks scored by students in a class test. How many students are in the class?

A 10
B 24
C 25
D 30

Question 3788:

The bar chart shows the frequency distribution of marks scored by students in a class test. Calculate the mean of the distribution.

A 6.0
B 3.0
C 2.4
D 1.8

Question 3789:

The bar chart shows the frequency distribution of marks scored by students in a class test. What is the median of the distribution?

Question 3790:

The graph is that of y = 2x² - 5x - 3. For what value of x will y be negative? What is the gradient of y = 2x² - 5x - 3 at the point x = 4?

A 11.1
B 10.5
C 10.3
D 9.9