Mathematics Past Questions

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Past Questions

4,407 questions
Question 1 of 20 4,407 total questions
Question 151
jamb 2023

Calculate, correct to three significant figures, the length AB in the diagram above.

A36.4 cm
B36.1 cm
C36.2 cm
D36.3 cm
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Question 152
jamb 2023

The angle of elevation and depression of the top and bottom of another building, measured from the top of a 24 m tall building, is 30° and 60°, respectively. Determine the second building's height.

A24 m
B32\(\sqrt3\) m
C24\(\sqrt3\)
D32 m
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Question 153
jamb 2023

Two numbers are respectively 35% and 80% more than a third number. The ratio of the two numbers is

A7 : 16
B3 : 4
C16 : 7
D4 : 3
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Question 154
jamb 2023

The locus of a point equidistant from two intersecting lines is

Awhere the sum of the distances of two focal points is fixed
Bthe collection of points that are equally distant from a fixed point and a line
Cthe perpendicular bisector of the lines
Dpair of bisectors of the angles between the two lines
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Question 155
jamb 2023

What is the general term of the sequence 3, 8, 13, 18, ...?

A5n - 2
B5n + 2
C5
D5n
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Question 156
jamb 2023

Solve the following quadratic inequality: \(x^2 - x\) - 4 ≤ 2

A\(-3 < x < 2\)
B\(-2 ≤ x ≤ 3\)
C\(x ≤ -2, x ≤ 3\)
D\(-2 < x < 3\)
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Question 157
jamb 2023

Let a binary operation '*' be defined on a set A. The operation will be commutative if

Aa*b = b*a
B(a*b)*c = a*(b*c)
C(b ο c)*a = (b*a) ο (c*a)
DNone of the above
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Question 158
jamb 2023

If \(-2x^3 + 6x^2 + 17x\) - 21 is divided by \((x + 1)\), then the remainder is

A32
B30
C-30
D-32
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Question 159
jamb 2023

How many students scored at least 25%

A16
B19
C3
D8
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Question 160
jamb 2023

Find the matrix A

A \(\begin {bmatrix} 0 & 1\\2 & -1 \end {bmatrix}\) = \(\begin {bmatrix} 2 & -1\\1 & 0 \end {bmatrix}\)

 

A\(\begin {bmatrix} 2 & 1\\-^1/_2 & -^1/_2 \end {bmatrix}\)
B\(\begin {bmatrix} 0 & 1\\^1/_2 & ^1/_2 \end {bmatrix}\)
C\(\begin {bmatrix} 2 & 1\\0 & -1 \end {bmatrix}\)
D\(\begin {bmatrix} 2 & 1\\^1/_2 & -2 \end {bmatrix}\)
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Question 161
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 median.

A7.725
B6.225
C7.5
D6.5
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Question 162
jamb 2023

A bag contains 8 red balls and some white balls. If the probability of drawing a white ball is half of the probability of drawing a red ball then find the probability of drawing a red ball and a white ball if the balls are drawn without replacement.

A\(\frac {1}{3}\)
B\(\frac {2}{9}\)
C\(\frac {2}{3}\)
D\(\frac {8}{33}\)
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Question 163
jamb 2023

If A = { 1, 2, 3, 4, 5, 6}, B = { 2, 4, 6, 8 }. Find (A – B) ⋃ (B – A).

A{1, 3, 5, 8}
B{8}
C{1, 2, 3, 4, 5, 6, 8}
D{1, 3, 5}
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Question 164
jamb 2023

Factorize: \(16x^4 - y^4\)

A\((2x - y)(2x + y)(4x^2 + y^2)\)
B\((2x + y)(2x + y)(4x^2 + y^2)\)
C\((2x - y)(2x - y)(4x^2 + y^2)\)
D\((2x - y)(2x + y)(4x^2 - y^2)\)
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Question 165
jamb 2023

In a group of 500 people, 350 people can speak English, and 400 people can speak French. Find how many people can speak both languages.

A750
B850
C250
D150
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Question 166
jamb 2023

Find the value of y, if log (y + 8) + log (y - 8) = 2log 3 + 2log 5

Ay = ±5
By = ±10
Cy = ±17
Dy = ±13
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Question 167
jamb 2023

Find the value of y if \(402_y = 102_{ten}\)

A4
B2
C5
D3
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Question 168
jamb 2023

Determine the area of the region bounded by y = \(2x^2\) + 10 and Y = \(4x + 16\).

A18
B\(\frac {-10}{3}\)
C\(\frac {44}{3}\)
D\(\frac {64}{3}\)
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Question 169
jamb 2023

Calculate the mean deviation of the first five prime numbers.

A2.72
B5.6
C5.25
D13.6
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Question 170
jamb 2023

Differentiate the function y = \(\sqrt[3]{x^2}(2x - x^2)\)

A\(\frac {dy}{dx} = \frac {10x^{5/3}}{3} - \frac {8x^{2/3}}{3}\)
B\(\frac {dy}{dx} = \frac {10x^{2/3}}{3} - \frac {8x^{5/3}}{3}\)
C\(\frac {dy}{dx} = \frac {10x^{5/3}}{3} - \frac {8x^{5/3}}{3}\)
D\(\frac {dy}{dx} = \frac {10x^{2/3}}{3} - \frac {8x^{2/3}}{3}\)
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