Jamb Mathematics 2023 Past Questions and Answers

Question 46:

• JAMB 2023

Evaluate the following limit: \(lim_{x\to2} \frac {x^2 + 4x - 12}{x^2 - 2x}\)

A. 4
B. 8
C. 2

Question 47:

• JAMB 2023

The ages of students in a small primary school were recorded in the table below.

Age	5 - 6	7 - 8	9 -10
Frequency	29	40	38

Estimate the mean

A. 7.7
B. 7.5
C. 7.8
D. 7.6

Question 48:

• JAMB 2023

A committee of 5 people is to be chosen from a group of 6 men and 4 women. How many committees are possible if there is to be a majority of women?

A. 60
B. 15
C. 66
D. 4

Question 49:

• JAMB 2023

If D = \(\begin{bmatrix}2& -1&3\\4&1&2\\1&-3&1\\\end{bmatrix}\)

Find |D|

A. 16
B. 14
C. -23
D. -37

Question 50:

• JAMB 2023

A boat sails 8 km north from P to Q and then sails 6 km west from Q to R. Calculate the bearing of R from P. Give your answer to the nearest degree.

A. 217\(^o\)
B. 323\(^o\)
C. 037\(^o\)
D. 053\(^o\)