Jamb Mathematics 2002 Past Questions and Answers

Question 41:

• JAMB 2002

Calculate the mean deviation of the set of numbers 7, 3, 14, 9, 7, and 8.

A. 13/6
B. 5/2
C. 7/6
D. 7/3

Question 42:

• JAMB 2002

In the diagram above , XZ is the diameter of the circle XZW, with center O and radius 15/2 cm. If XY = 12 cm, find the area of the triangle XYZ

A. 54 cm²
B. 45 cm²
C. 27 cm²
D. 75 cm²

Question 43:

• JAMB 2002

The venn diagram above shows the numbers of students offering music and history in a class of 80 students. If a student is picked at random from the class, what is the probability that he offers Music only?

A. 0.38
B. 0.13
C. 0.50
D. 0.25

Question 44:

• JAMB 2002

In the diagram above, PST is a straight line, PQ = QS = RS. If ∠ RST = 72^o, find x

A. 36^o
B. 18^o
C. 72^o
D. 24^o

Question 45:

• JAMB 2002

In the diagram above are two concentric circles of radii r and R respectively with center O. If r = ²/₃R, express the area of the shaded portion in terms of π and R

A. ²¹/₂₅πR²
B. ⁹/₂₅πR²
C. ²¹/₂₃πR²
D. ⁵/₉πR²