Jamb Mathematics 2018 Past Questions and Answers

Question 1:

• JAMB 2018

If $N=\left(\begin{array}{ccc}3& 5& -4\\ 6& -3& -5\\ -2& 2& 1\end{array}\right)$, 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 = $\frac{15R-Q}{P^3}$