Question 91:

• JAMB 2019

Calculate the volume of the regular three dimensional figure drawn above, where < ABC = 90° (a right- angled triangle).

A. 394 cm\(^3\)
B. 425 cm\(^3\)
C. 268 cm\(^3\)
D. 540 cm\(^3\)

Question 92:

• JAMB 2019

The histogram above represents the number of candidates who did Further Mathematics examination in a school. How many candidates scored more than 40?

A. 100
B. 79
C. 150
D. 90

Question 93:

• JAMB 2019

If \(\sin x = \frac{4}{5}\), find \(\frac{1 + \cot^2 x}{\csc^2 x - 1}\).

A. \(\frac{13}{2}\)
B. \(\frac{25}{9}\)
C. \(\frac{3}{13}\)
D. \(\frac{4}{11}\)

Question 94:

• JAMB 2018

If \(N = \begin{pmatrix} 3 & 5 & -4 \\ 6 & -3 & -5 \\ -2 & 2 & 1 \end{pmatrix}\), find \(|N|\).

A. 65
B. 23
C. 17
D. 91

Question 95:

• JAMB 2018

If X, Y can take values from the set (1, 2, 3 ,4), find the probability that the product of X and Y is not greater than 6

A. \(\frac{5}{8}\)
B. \(\frac{5}{16}\)
C. \(\frac{1}{2}\)
D. \(\frac{3}{8}\)