Jamb Mathematics Past Questions and Answers

Question 2396:

• JAMB 2021

Find the probability that a number selected at random from 41 to 56 is a multiple of 9

A. \(\frac{1}{8}\)
B. \(\frac{2}{15}\)
C. \(\frac{3}{16}\)
D. \(\frac{7}{8}\)

Question 2397:

• JAMB 2021

P (-6, 1) and Q (6, 6) are the two ends of the diameter of a given circle. Calculate the radius.

A. 6.5 units
B. 13.0 units
C. 3.5 units
D. 7.0 units

Question 2398:

• JAMB 2021

The angle of a sector of a circle, radius 10.5cm, is 48°, Calculate the perimeter of the sector

A. 8.8cm
B. 25.4cm
C. 25.6cm
D. 29.8cm

Question 2399:

• JAMB 2021

Find the length of a side of a rhombus whose diagonals are 6cm and 8cm

A. 8cm
B. 5cm
C. 4cm
D. 3cm

Question 2400:

• JAMB 2021

Each of the interior angles of a regular polygon is 140°. How many sides has the polygon?

A. 9
B. 8
C. 7
D. 5