Maths 2024 JAMB Past Questions Secure Now

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Evaluate the determinant of the matrix M = $[\begin{matrix} 3 & 4 & 6 \\ 2 & 1 & - 1 \\ - 1 & 3 & 5 \end{matrix}]$

A. 20
B. 25
C. 30
D. 35

Find the amount if simple interest is paid yearly at 5% per annum for 3 years, on a principal of # 200,000.00

A. # 23, 000.00
B. # 30,000.00
C. # 300,000.00
D. # 230,000.00

y is inversely proportional to x and y = 4, when x = $\frac{1}{2}$

$\frac{1}{2}$ , find x when y = 10

4 Find the angle subtended by an arc 33cm long of a circle of diameter 28cm.

No.5

The ratio of men to women in a 20-member committee is 3:1. How many women must be added to the committee to make the ratio of men to women 3:2?

A. 2
B. 5
C. 7
D. 8

If p * q = 2p + pq + q, find p when ( p * 2) – (p * 1) = 40

A. 39
B. 40
C. 41
D. 42

Which of the following is a measure of central tendency?

A. Standard deviation
B. Range
C. Variance
D. Mean

From the figure above, find the length of Chord PQ

A. 17cm
B. 18cm
C. 7cm
D. 9cm

Identify the equation of the shaded region in the given graph

A. y > 1
B. x < 1
C. X > 1
D. y < 1

In how many ways can 6 people sit around a table

A. 120
B. 240
C. 60
D. 30

The graph above represents inequalities

A. 3x +4y ≥12, x >0, y > 0
B. 3x + 4y

12, x ≥ 0, y ≥ 0
C. 3x + 4y <12, x
0, y ≥ 0
D. 3x + 4y < 12, x ≥ 0, y ≥ 0

No. 13

The sum to infinity of a GP is 100, find its first term if the common ratio is – $\frac{1}{2}$ $\frac{1}{2}$

A. 150
B. 155
C. 160
D. 165

The Venn diagram above shows the number of students offering physics and chemistry in a class of 65. What is the probability that a student selected from the class offers physics and chemistry if every students offers at least one subject?

From the top of a building 10m high, the angle of elevation of a fruit on top of a tree 25m is 30º. Calculate the horizontal distance between the building and the tree.

A boy bought Oranges at the rate of #24.00 for 5 and sold it at the rate of # 30.00 for 4 Oranges. Find the profit made of the ones sold

A. # 24.00
B. #30.00
C. # 10.80
D. #20.00

20.

Given that P is the set of all prime numbers between 0 and 10, and Q is the set of all odd numbers between 0 and 10. Find the union of elements in P that are not in Q and the elements in Q that are not in P.

A. {2, 9}
B. { 9}
C. {1, 9}
D. {1, 2, 9}

In the diagram above, T represents the construction of angle …..

The average age of the four female teachers in a school is 40 and the average age of eight male teachers in the school is 25. Calculate the average age of the teachers in the school.

A. 20
B. 31
C. 32
D. 30

How many proper and improper subsets are there in the set K = { a, b, c, d, e}?

A. 10
B. 25
C. 32
D. 50

The mean of the numbers 13, 16, x, 18, 21, 2x, 35, is 22. Find the value of x

A. 16
B. 17
C. 23
D. 25

Find the variance of a group of data whose standard deviation is 12.34 to the nearest whole number.

A. 150
B. 151
C. 152
D. 153

From a class of 5 girls and 7 boys, a committee consisting of 2 girls and 3 boys is to be formed. How many ways can this be done?

A. 350 ways
B. 420 ways
C. 550 ways
D. 720 ways

In how many ways can a committee of 5 be selected from a group of 7 males and 3 females, if the committee must have one female?

A. 105ways
B. 135 ways
C. 210 ways
D. 231 ways

U varies directly as the square root of V when U = 24, V = 9, find the value of V when U = 16.

A. 0.32
B. 4
C. 6
D. 0.25

A binary operation * is defined on a set of real numbers by x*y = x $^{y}$

for all values of x and y, if x * 2 = x, find the possible values of x.

A. 0, 2
B. 1, 2
C. 0, 1
D. 2, 2

The weights of 15 students in a class are given as 25, 30, 32, 30, 42, 45, 48, 50, 52, 51, 42, 38, 40, and 42. What is the mode of the given data?

A. 51
B. 45
C. 42
D. 25

The number of 144 students who registered for mathematics, physics, and chemistry in an examination are shown in the Venn diagram. How many registered for physics and mathematics?

A. 16
B. 24
C. 62
D. 4

Maths 2024 JAMB Past Questions Secure Now