Mathematics Past Questions

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55 questions JAMB 2359 WAEC 1853 NECO 179 POST_UTME 6 CUSTOM 10
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Past Questions

55 questions
Question 1 of 15 55 total questions
Question 21
jamb 2025

If I is a 2 × 2 identity matrix, find the determinant of the matrix.

A1
B2
C-1
D0
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Question 22
jamb 2025

A varies directly as b\(^2\) when A = 4, b = 1. Find A when b = 2

A12
B14
C16
D11
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Question 23
jamb 2025

Find the sum of the entries in the inverse of \(\begin{bmatrix} 1 & 2 \\ 3 & 5 \end{bmatrix}\)

A1
B-1
C2
D0.5
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Question 24
jamb 2025

The average weight of 15 iron bars is 1000 kg. If the heaviest iron bar is removed, the average weight is reduced by 5 kg. Find the weight in kg of the heaviest iron bar.

A1170kg
B1270kg
C1070kg
D1370kg
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Question 25
jamb 2025

Y is partly constant and partly varies as x. When x = 3, y = 7 and when x = 5, y = 11. Find the constants of variation.

A2,3
B1,2
C3,2
D3,4
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Question 26
jamb 2025

Find the number of permutations of the letters of the word SCHOOL.

A600
B360
C480
D300
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Question 27
jamb 2025

Which of the following angles cannot be constructed using a protractor, a compass, and a sharpened pencil?

A135°
B90°
C145°
D60°
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Question 28
jamb 2025

Given that Cos A = \(\frac{12}{13}\) for 0 ≤ A ≤ 90º, find Tan A.

A\(\frac{5}{12}\)
B\(\frac{12}{13}\)
C\(\frac{5}{13}\)
D\(\frac{13}{12}\)
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Question 29
jamb 2025

Find the coordinates of the midpoint of line PQ given P(-3, 4) and Q(5, 6).

A(1, 4)
B(4, 1)
C(5, 1)
D(1, 5)
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Question 30
jamb 2025

Simplify 125\(^{−\frac{1}{3}}\) × 49\(^{−\frac{1}{2}}\) × 10\(^0\)

A\(\frac{1}{35}\)
B\(\frac{1}{350}\)
C350
D35
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Question 31
jamb 2025

Given that a * b = \(\frac{a + b}{\text{ab}}\) + (a - b). Find the value of 3 * 2

A-6
B\(\frac{11}{6}\)
C\(\frac{6}{11}\)
D-1 \(\frac{5}{6}\)
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Question 32
jamb 2025

Solve the inequality 2x + 3 > 5x + 8

Ax > 1\(\frac{2}{3}\)
Bx > -1\(\frac{2}{3}\)
Cx < -1\(\frac{2}{3}\)
Dx < 1\(\frac{2}{3}\)
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Question 33
jamb 2025

Solve the simultaneous equation \(\frac{\text{x}}{2}\) - \(\frac{\text{y}}{5}\) = 1 and y - \(\frac{\text{x}}{3}\) = 8 

Ax = 10, y = -6
Bx = 10, y = 6
Cx = 6, y = 10
Dx = 10, y = 6
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Question 34
jamb 2025

The set {1,2,3,4,5} is equivalent to

A{2,3,1,4}
B{1,2,3,4,5,5}
C{1,2,3,4}
D{4,3,1,5,2}
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Question 35
jamb 2025

From the diagram above, find the area of the triangle PQR

A143cm\(^2\)
B120cm\(^2\)
C130cm\(^2\)
D117cm\(^2\)
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