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Mathematics Past Questions

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4,407 questions JAMB 2359 WAEC 1853 NECO 179 POST_UTME 6 CUSTOM 10

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4,407 questions

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Question 71

waec 2024

A variable W varies partly as M and Partly inversely as P. Which of the following correctly represents the relation with k$_1$ and k$_2$ constants?

AW = $\frac{k_1M}{k_2P}$

BW = ($k_1 + k_2$)$\frac{\text{M}}{\text{P}}$

CW = k$_1$M + $\frac{k_2}{P}$

DW = (k$_1 + k_2$)M + P

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Question 72

waec 2024

If 3x - 2y = - 5 and x + 2y = 9, find the value of $\frac{x - y}{x + y}$

A$\frac{5}{3}$

B$\frac{3}{5}$

C$\frac{-3}{5}$

D$\frac{-5}{3}$

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Question 73

waec 2024

The interior angle of a regular polygon is 168º. Find the number of sides of the polygon.

A24

B30

C15

D12

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Question 74

waec 2024

A trader gave a change of # 540.00 instead of # 570.00 to a customer. Caculate the percentage error.

A5$\frac{5}{19}$%

B5$\frac{5}{9}$%

C5$\frac{7}{19}$%

D5$\frac{7}{9}$%

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Question 75

waec 2024

The population of a town increases by 3% every year. In the year 2000, the population was 3000. Find the population in the year 2003.

A3,182

B3,278

C6,591

D7,515

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Question 76

waec 2024

If log$_3^{2x - 1}$ = 5, find the value of x

B16

C64

D122

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Question 77

waec 2024

Find the sum for which $ 1,250.00 will amount to $ 2,031.25 at 12.5% per annum simple interest.

A2 years

B3 years

C4 years

D5 years

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Question 78

waec 2024

If (3 - 4$\sqrt{2}$)(1 + 3$\sqrt{2}$) = a + b$\sqrt{2}$, find the value of b

A-5

C-21

D21

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Question 79

waec 2024

Simplify: (2p - q)$^2$ - (p + q)$^2$

A3p(p - 2q)

B2p(p - 3q)

C3p(2p - q)

D2p(3p - q)

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Question 80

waec 2024

Express in index form: log$_a^x$ + log$_a^y$ = 3

Ax + y = 3

Bxy = 3

Cxy = a$^3$

Dx + y = a$^3$

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Question 81

waec 2024

The first term of an Arithmetic Progression (A.P) is 2 and the last term is 29. If the common difference is 3, how many terms are in the A.P.?

C10

D11

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Question 82

waec 2024

Given that P = {p: 1< p < 20}, where p is an integer and R = {r : 0 $\leq$ r $\leq$ 25, where r is a multiple of 4}. Find P ∩ R

A{4, 8, 10, 16}

B{4, 8, 12, 16}

C{4, 8, 12, 16, 20}

D{4, 8, 12, 16, 20, 24}

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Question 83

waec 2024

Multiply 3.4 x 10$^{-5}$ by 7.1 x 10$^8$ and leave the answer in standard form.

A2.414 x 10$^2$

B2.414 x 10$^3$

C2.414 x 10$^4$

D2.414 x 10$^5$

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Question 84

jamb 2024

($\sqrt{a} +\sqrt{8a})^2$ = 54 + b$\sqrt{2}$, a and b are positive integers. Find the value of a and the value of b.

Aa = 24, b = 6

Ba = 6, b = 2

Ca = 6, b = 24

Da = 2, b = 6

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Question 85

jamb 2024

Make q the subject of the relation t = $\sqrt{(\frac{pq}{r} - r^2q)}$

Aq = $\frac{rt^2}{p - r^3}$

Bq = $\frac{p - r^3}{rt^2}$

Cq = $\frac{t^2}{p - r^3}$

Dq = $\frac{rt}{p - r^3}$

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Question 86

jamb 2024

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?

A16

B24

C62

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Question 87

jamb 2024

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?

A51

B45

C42

D25

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Question 88

jamb 2024

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.

A0, 2

B1, 2

C0, 1

D2, 2

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Question 89

jamb 2024

If tan$\theta$ = $\frac{8}{15}$, simplify $\frac{ Sin\theta - Cos\theta}{Sin^2\theta - Sin\theta}$

A$\frac{-119}{72}$

B$\frac{119}{72}$

C$\frac{-7}{17}$

D$\frac{8}{17}$

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Question 90

jamb 2024

If A = $\begin{pmatrix}3 & 2 & 1\\4 & 2 & -1\end{pmatrix}$ and B = $\begin{pmatrix}1 & 4\\0 & 1\\3 & 2\end{pmatrix}$. Find A$^T$ + B, ( where T means transpose)

A$\begin{pmatrix}4 & 8\\3 & 2\\4 & 1\end{pmatrix}$

B$\begin{pmatrix}4 & -8\\3 & 2\\4 & 1\end{pmatrix}$

C$\begin{pmatrix}4 & 8\\4 & -2\\3 & 1\end{pmatrix}$

D$\begin{pmatrix}4 & 8\\2 & 3\\4 & 1\end{pmatrix}$

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