Mathematics 1983 Jamb Past Questions and Answers

Question 36 :

• JAMB 1983

In a triangle PQT, QR = \(\sqrt{3}cm\), PR = 3cm, PQ = \(2\sqrt{3}\)cm and PQR = 30o. Find angles P and R

A. P = 60^o and R = 90^o
B. P = 30^o and R = 120^o
C. P = 90^o and R = 60^o
D. P = 60^o and R 60^o
E. P = 45^o and R = 105^o

Question 37 :

• JAMB 1983

Find the mean of the following 24.57, 25.63, 24.32, 26.01, 25.77

A. 25.12
B. 25.30
C. 25.26
D. 25.50
E. 25.75

Question 38 :

• JAMB 1983

A man drove for 4 hours at a certain speed, he then doubled his speed and drove for another 3 hours. Although he covered 600 kilometers. At what speed did he drive for the last 3 hours?

A. 120km/hr
B. 60km/hr
C. 670km/hr
D. 40km/hr

Question 39 :

• JAMB 1983

In a class of 60 pupils, the statistical distribution of the numbers of pupils offering Biology, History, French, Geography and Additional mathematics is as shown in the pie chart. How many pupils offer Additional Mathematics?

A. 15
B. 10
C. 18
D. 12
E. 20

Question 40 :

• JAMB 1983

In the figure, find PRQ

A. 66\(\frac{1}{2}\)^o
B. 62\(\frac{1}{2}\)^o
C. 125^o
D. 105^o
E. 65^o