Jamb Mathematics Past Questions and Answers

Question 466:

• JAMB 2013

Find the length of a chord which subtends an angle of 90° at the centre of a circle whose radius is 8 cm.

A. \(8\sqrt{3}\) cm
B. 4 cm
C. 8 cm
D. \(8\sqrt{2}\) cm

Question 467:

• JAMB 2013

A chord of a circle subtends an angle of 120° at the centre of a circle of diameter \(4\sqrt{3} cm\). Calculate the area of the major sector.

A. 32\(\pi\) cm\(^2\)
B. 4\(\pi\) cm\(^2\)
C. 8\(\pi\) cm\(^2\)
D. 16\(\pi\) cm\(^2\)

Question 468:

• JAMB 2013

The locus of the points which is equidistant from the line PQ forms a

A. Perpendicular line to PQ
B. Circle centre P
C. Circle centre Q
D. Pair of parallel lines to PQ

Question 469:

• JAMB 2013

If the midpoint of the line PQ is (2,3) and the point P is (-2, 1), find the coordinate of the point Q.

A. (8,6)
B. (5,6)
C. (0,4)
D. (6,5)

Question 470:

• JAMB 2013

Find the equation of the perpendicular bisector of the line joining P(-2, 3) to Q(-5, 1)

A. 8y + 14x + 13 = 0
B. 8y - 14x + 13 = 0
C. 8y - 14x - 13 = 0
D. 8y + 14x - 13 = 0