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Mathematics Past Questions

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1,853 questions JAMB 2359 WAEC 1853 NECO 179 POST_UTME 6 CUSTOM 10

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1,853 questions

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Question 41

waec 2024

Gifty, Justina, and Frank shared 60 oranges in the ratio 5: 3: 7 respectively. How many oranges did Justina receive?

A16

B12

C20

D28

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Question 42

waec 2024

A number is added to both the numerator and the denominator of the fraction $\frac{1}{8}$ if the result is $\frac{1}{2}$, find the number.

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Question 43

waec 2024

Consider the following statements:

m = Edna is respectful

n = Edna is brilliant,

If m ⇒ n, which of the following is valid?

A¬n ⇒ ¬m.

B¬m ⇒ ¬n.

Cn ⇒ ¬m.

Dm ⇒ n.

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Question 44

waec 2024

Make R the subject of the relation V = πl(R$^2$ - r$^2$)

AR = $\sqrt{\frac{V}{πl} + r^2}$

BR = $\sqrt{\frac{V}{πl} - r^2}$

CR = $\sqrt{V - πlr^2}$

DR = $\sqrt{V + πlr^2}$

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Question 45

waec 2024

A cylindrical metallic barrel of height 2.5m and radius 0.245 is closed at one end. Find, correct to one decimal place, the total surface area of the barrel (Take π = $\frac{22}{7}$)

A2.1 m$^2$

B3.5 m$^2$

C4.0 m$^2$

D9.4 m$^2$

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Question 46

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 47

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 48

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 49

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 50

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 51

waec 2024

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

B16

C64

D122

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Question 52

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 53

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 54

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 55

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 56

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 57

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 58

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 59

waec 2023

Find the mean deviation of assets of numbers: 14, 15, 16, 17, 18, and 19.

A2.5

B1.7

C1.5

D3.5

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Question 60

waec 2023

M varies jointly as the square of n and square root of q. If M = 24 when n = 2 and q = 4, find M when n = 5, q = 9.

A288

B400

C300

D225

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