Jamb Mathematics Past Questions and Answers

Question 501:

• JAMB 1978

In a soccer competition in one season, a club had scored the following goals: 2, 0, 3, 3, 2, 1, 4, 0, 0, 5, 1, 0, 2, 2, 1, 3, 1, 4, 1 and 1. The mean, median and mode are respectively

A. 1, 1.8 and 1.5
B. 1.8, 1.5 and 1
C. 1.8, 1 and 1.5
D. 1.51, 1 and 1.8
E. 1.5, 1.8 and 1

Question 502:

• JAMB 1978

If sec² \(\theta\) + tan² \(\theta\) = 3, then the angle \(\theta\) is equal to

A. 30^o
B. 45^o
C. 60^o
D. 90^o
E. 105^o

Question 503:

• JAMB 1978

A hollow right prism of equilateral triangular base of side 4cm is filled with water up to a certain height. If a sphere of radius \(\frac{1}{2}\)cm is immersed in the water, then the rise of water is

A. 1cm
B. \(\sqrt{\frac{3\pi}{24}}\)
C. \(\frac{\pi}{24\sqrt{3}}\)
D. 24\(\sqrt{3}\)

Question 504:

• JAMB 1978

The set of value of x and y which satisfies the equations x² - y - 1 = 0 and y - 2x + 2 = 0 is

A. 1, 0
B. 1, 1
C. 2, 2
D. 0, 2
E. 1, 2

Question 505:

• JAMB 1978

A solid sphere of radius 3cm, a solid right cone of radius 3cm and height 12cm and a solid right circular cycular of radius 3cm and height 4cm.Which of the following statements is true?

A. The volume of the sphere is greater than the volume of the cone
B. The volume of the cone is less than the volume of the cylinder
C. The total surface area of the cone is greater than that of the sphere
D. The total surface area of the cylinder is less than that of the sphere
E. The total sufeac area of the cone is equal to that of the cylinder