Jamb Mathematics Past Questions and Answers

Question 1971:

• JAMB 2009

Find the radius of a sphere whose surface area is 154 cm²

A. 7.00 cm
B. 3.50 cm
C. 3.00 cm
D. 1.75 cm

Question 1972:

• JAMB 2009

Find the locus of a particle which moves in the first quadrant so that it is equidistant from the lines x = 0 and y = 0 (where k is a constant)

A. X + y = 0
B. X - y = 0
C. X + y + k = 0
D. X - y - k = 0

Question 1973:

• JAMB 2009

What is the locus or the mid-point of all the chords of length 6cm with circle of radius 5cm and with center 0?

A. A circle of radius 4 cm and the center 0
B. The perpendicular bisector of the chords
C. A straight line passing through 0
D. A circle of radius 6 cm and with center 0

Question 1974:

• JAMB 2009

What is the value of p if the gradient of the line joining (-1,p) and (p, 4) is 2

3

?

A. -2
B. -1
C. 1
D. 2

Question 1975:

• JAMB 2009

What is the value of r if the distance between the point (4,2) and (1,r) is 3 units?

A. 1
B. 2
C. 3
D. 4