Mathematics 2018 Jamb Past Questions and Answers

Question 1 :

• 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 2 :

• 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. \(\frac{3}{8}\)

Question 3 :

• JAMB 2018

Add 54 \(_{eight}\) and 67\(_{eight}\) giving your answers in base eight

A. 111
B. 121
C. 123
D. 143

Question 4 :

• JAMB 2018

From a point R, 300m north of P, a man walks eastwards to a place; Q which is 600m from P. Find the bearing of P from Q correct to the nearest degree

A. 026\(^o\)
B. 045\(^o\)
C. 210\(^o\)
D. 240\(^o\)

Question 5 :

• JAMB 2018

If P = [\(\frac{Q(R - T)}{15}\)] \(\frac{1}{3}\) make T the subject of the relation

A. T = \(\frac{R + P^3}{15Q}\)
B. T = \(\frac{R - 15P^3}{Q}\)
C. T = \(\frac{R - 15P^3}{Q}\)
D. T = \(\frac{15R - Q}{P^3}\)