NECO SSCE - General Mathematics - 2004 (Objective)

Find the surface area of a sphere whose radius is 3.5cm, correct your answer to one decimal place (π = \(\frac{22}{5}\))

12.8cm²

25.7cm²

77.0cm²

154.0cm² Juist antwoord

179.7cm²

Antwoorddetails

Lees lesnotitie op Volumes (WAEC)

Volumes

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Vraag 2 Verslag

One of the interior angles of a regular polygon is 120°. Find the number of sides of the polygon

6 Juist antwoord

Antwoorddetails

Lees lesnotitie op Triangles And Polygons (WAEC)

Triangles And Polygons

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Vraag 3 Verslag

The diagonals of a rhombus are 16cm and 30cm long. What is the perimeter of the rhombus

68cm Juist antwoord

72cm

80cm

88cm

92cm

Antwoorddetails

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Vraag 4 Verslag

A bag Contains 2 red, 3 blue and 4 green identical balls. If two balls are picked at random one after the other without replacement, what is the probability that both are green?

\(\frac{1}{6}\) Juist antwoord

\(\frac{1}{3}\)

\(\frac{16}{18}\)

\(\frac{3}{8}\)

\(\frac{4}{9}\)

Antwoorddetails

Lees lesnotitie op Probability (WAEC)

Lees lesnotitie op Surds (radicals) (WAEC)

Probability

Surds (radicals)

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Vraag 5 Verslag

The 4th term of a G.P is 3 and its first term is 81. What is its common ratio?

\(\frac{2}{3}\)

\(\frac{1}{3}\) Juist antwoord

-\(\frac{1}{3}\)

-3

Antwoorddetails

Lees lesnotitie op Sequence And Series (WAEC)

Sequence And Series

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Vraag 6 Verslag

What must be added to b²-3ab to make it a perfect square?

-3a

-\(\frac{3}{2}\)

\(\frac{9}{4}\)

\(\frac{9a}{4}\)

\(\frac{9^2}{4}\) Juist antwoord

Antwoorddetails

Lees lesnotitie op Number Bases (WAEC)

Number Bases

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Vraag 7 Verslag

Divide the LCM of 15abc and 20a\(^2\)bc by their HCF

10a

12a Juist antwoord

5abc

12a²bc

60a²bc

Antwoorddetails

Lees lesnotitie op Sine, Cosine And Tangent Of An Angle (WAEC)

Lees lesnotitie op Number Bases (WAEC)

Lees lesnotitie op Modular Arithmetic (WAEC)

Sine, Cosine And Tangent Of An Angle

Number Bases

Modular Arithmetic

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Vraag 8 Verslag

A sales boy gave a change of N75.00 to a buyer instead of N80.00, calculate his percentage error, correct to one decimal place?

6.00%

6.20%

6.30% Juist antwoord

6.60%

6.70%

Antwoorddetails

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Vraag 9 Verslag

Solve the equation: \(\frac{3}{[2(x - 2)]} - \frac{2}{[3(2 - x)]} = 0\)

2 Juist antwoord

\(\frac{3}{2}\)

\(\frac{2}{3}\)

-3

Antwoorddetails

Lees lesnotitie op Solution Of Linear Equations (WAEC)

Lees lesnotitie op Algebraic Fractions (WAEC)

Lees lesnotitie op Fractions, Decimals, Approximations And Percentage (JAMB)

Solution Of Linear Equations

Algebraic Fractions

Fractions, Decimals, Approximations And Percentage

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Vraag 10 Verslag

The bearing of Y from X is 0850. What is the bearing of X from Y?

005°

095°

185°

265° Juist antwoord

275°

Antwoorddetails

Lees lesnotitie op Bearings (WAEC)

Bearings

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Vraag 11 Verslag

Find x if (x - 2)² = 1\(\frac{7}{9}\)

\(\frac{2}{3}\) or \(\frac{2}{7}\)

3\(\frac{1}{3}\) or \(\frac{2}{3}\) Juist antwoord

3\(\frac{7}{9}\) or \(\frac{2}{7}\)

3\(\frac{1}{3}\) or \(\frac{7}{9}\)

\(\frac{3}{7}\) or \(\frac{2}{9}\)

Antwoorddetails

Lees lesnotitie op Quadratic Equations (WAEC)

Quadratic Equations

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Vraag 12 Verslag

If the mean of the following set of data, 2, 3,3,3, 2,4 4 and 3 is divided by its mode, the result is:

1 Juist antwoord

Antwoorddetails

Lees lesnotitie op Linear Inequalities (WAEC)

Lees lesnotitie op Statistics (WAEC)

Lees lesnotitie op Progression (JAMB)

Linear Inequalities

Statistics

Progression

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Vraag 13 Verslag

A bag contains p dozens of bananas and 3q of these proved to be bad. If I buy one third of the goods ones, how many do I get?

P -3q

\(\frac{1}{3}\) (p - 3q)

4p - q Juist antwoord

12p - 3q

Antwoorddetails

Lees lesnotitie op Solution Of Linear Equations (WAEC)

Lees lesnotitie op Quadratic Equations (WAEC)

Solution Of Linear Equations

Quadratic Equations

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Vraag 14 Verslag

If y varies inversely as x², how does x vary with y?

x varies inversely as y²

x varies inversely as \(\sqrt{y}\) Juist antwoord

x varies directly as y²

x varies directly as \(\sqrt{y}\)

x varies directly as y

Antwoorddetails

Lees lesnotitie op Variation (JAMB)

Variation

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Vraag 15 Verslag

The expression 4x² - 4 has the following as its factors EXCEPT

x - 1

x + 1

x² -1

4x + 1 Juist antwoord

4x - 4

Antwoorddetails

Lees lesnotitie op Algebraic Expressions (WAEC)

Lees lesnotitie op Quadratic Equations (WAEC)

Algebraic Expressions

Quadratic Equations

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Vraag 16 Verslag

Evaluate \(1011_{two}\) + \(1101_{two}\) + \(1001_{two}\) - \(111_{two}\)

10001\(_{two}\)

11001\(_{two}\)

110001\(_{two}\)

11010\(_{two}\) Juist antwoord

11100\(_{two}\)

Antwoorddetails

Lees lesnotitie op Number Bases (WAEC)

Lees lesnotitie op Number Bases (JAMB)

Number Bases

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Vraag 17 Verslag

Express the quotient of 0.422 and 0.004 in standard form

1.055 × 10² Juist antwoord

10.55 × 10¹

105 × 10⁰

10.55 × 10^-1

1.055 × 10^-2

Antwoorddetails

Lees lesnotitie op Fractions, Decimals And Approximations (WAEC)

Lees lesnotitie op Modular Arithmetic (WAEC)

Fractions, Decimals And Approximations

Modular Arithmetic

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Vraag 18 Verslag

If log₁₀² = 0.3010 and log₁₀³ = 0.4771, simplify: (Log₁₀⁸-log₉²) ÷ (Log₁₀⁹ - log₁₀²)

0.0784

-4

-0.0784 Juist antwoord

Antwoorddetails

Lees lesnotitie op Logarithms (WAEC)

Logarithms

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Vraag 19 Verslag

Evaluate (Log₁₃ - log₅) ÷ X(log₅-log₁₃) without using tables

–x

X-1

–X^-1 Juist antwoord

-1

Antwoorddetails

Lees lesnotitie op Logarithms (WAEC)

Logarithms

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Vraag 20 Verslag

Calculate (0.05 × 0.025) ÷ (4.25 × 3.35) and express your answer in standard form

8.7796 × 10⁵

8.7796 × 10⁴

8.7796 × 10³

8.7796 × 10^-3

8.7796 × 10^-5 Juist antwoord

Antwoorddetails

Lees lesnotitie op Fractions, Decimals And Approximations (WAEC)

Fractions, Decimals And Approximations

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Vraag 21 Verslag

The first term of an A.P is equal to thrice the common difference, what is the sixth term of the A.P, if the common difference is 8?

64 Juist antwoord

Antwoorddetails

Lees lesnotitie op Sequence And Series (WAEC)

Sequence And Series

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Vraag 22 Verslag

A man is 40m from the foot of a cliff of height 23m. Calculate the angle of elevation of the top of the cliff from the man

50° 54′

35° 06′

30° 00′

290 90′

29° 54′ Juist antwoord

Antwoorddetails

Lees lesnotitie op Angles Of Elevation And Depression (WAEC)

Angles Of Elevation And Depression

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Vraag 23 Verslag

A car travels at an average speed of 75km/h. Find its speed in metres per second.

270m/s

208m/s

27.0m/s

20.8m/s Juist antwoord

2.08m/s

Antwoorddetails

Lees lesnotitie op Lengths And Perimeters (WAEC)

Lees lesnotitie op Areas (WAEC)

Lengths And Perimeters

Areas

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Vraag 24 Verslag

Find the value of t such that the expression \(\frac{1}{t}\) + \(\frac{4}{3}\) - \(\frac{5}{6t}\) + 1 is equal to zero

\(\frac{1}{6}\)

\(\frac{1}{4}\)

- \(\frac{3}{2}\) Juist antwoord

\(\frac{7}{6}\)

\(\frac{2}{5}\)

Antwoorddetails

Lees lesnotitie op Number Bases (WAEC)

Number Bases

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Vraag 25 Verslag

Evaluate ut - \(\frac{1}{2}\)ft² when t = 5, u = -20 and f = 10

225

-75

-125

-225 Juist antwoord

Antwoorddetails

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Vraag 26 Verslag

The angle subtended by a diameter of a circle at the circumference is a/an

acute angle

obtuse angle

reflex angle

right angle Juist antwoord

supplementary angle

Antwoorddetails

Lees lesnotitie op Circles (WAEC)

Circles

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Vraag 27 Verslag

The roots of a quadratic equation in x, are -m and 2n. Fine equation.

x² - x(2n-m) – 2mn = 0 Juist antwoord

x² + x(2n - m) - 2mn = 0

x² + x(m - 2n) + 2mn = 0

X² + x (m + 2n ) + 2mn = 0

x² - x (m - 2n) - 2mn = 0

Antwoorddetails

Lees lesnotitie op Differentiation (JAMB)

Lees lesnotitie op Quadratic Equations (WAEC)

Differentiation

Quadratic Equations

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Vraag 28 Verslag

Simplify (216\(\frac{1}{3}\))^-2

\(\frac{1}{36}\) Juist antwoord

\(\frac{1}{18}\)

\(\frac{1}{13}\)

\(\frac{1}{6}\)

\(\frac{1}{3}\)

Antwoorddetails

Lees lesnotitie op Fractions, Decimals And Approximations (WAEC)

Lees lesnotitie op Number Bases (WAEC)

Fractions, Decimals And Approximations

Number Bases

Bekijk antwoord

Vraag 29 Verslag

Express the product of 0.007 and 0.057 to two significant figures

0.0004 Juist antwoord

0.00039

0.004

0.0039

0.04

Antwoorddetails

Lees lesnotitie op Fractions, Decimals And Approximations (WAEC)

Lees lesnotitie op Modular Arithmetic (WAEC)

Fractions, Decimals And Approximations

Modular Arithmetic

Bekijk antwoord

Vraag 30 Verslag

Four pupils have an average age of 12years and two other pupils of average age of 10.5years are added. What is the average age of the six pupils?

10.5yrs.

11yrs.

11.5 yrs. Juist antwoord

12yrs.

12.5yrs.

Antwoorddetails

Lees lesnotitie op Fractions, Decimals And Approximations (WAEC)

Lees lesnotitie op Surds (radicals) (WAEC)

Lees lesnotitie op Financial Arithmetic (WAEC)

Fractions, Decimals And Approximations

Surds (radicals)

Financial Arithmetic

Bekijk antwoord

Vraag 31 Verslag

If cos x = 4/5, 0° \( \leq \) x \( \leq \) 90°, find the value of (1 + tan x)/(1 - tan x)

7 Juist antwoord

\(\frac{7}{16}\)

\(\frac{9}{25}\)

Antwoorddetails

Bekijk antwoord

Vraag 32 Verslag

If the first term of an AP is 1.2 and the common difference is also 2, what is the mean of the first five terms?

6 Juist antwoord

Antwoorddetails

Lees lesnotitie op Sequence And Series (WAEC)

Sequence And Series

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Vraag 33 Verslag

The nth term of a sequence is given as 4 x 3(3 - n). Calculate the third term.

4 Juist antwoord

Antwoorddetails

Lees lesnotitie op Sequence And Series (WAEC)

Sequence And Series

Bekijk antwoord

Vraag 34 Verslag

Find the area of a triangle ABC such that a = 16cm, b = 14cm, c = 12cm, leave your answer in surd form

5\(\sqrt{15}\)cm²

7\(\sqrt{15}\)cm²

21\(\sqrt{3}\)cm²

21\(\sqrt{5}\)cm²

21\(\sqrt{15}\)cm² Juist antwoord

Antwoorddetails

Bekijk antwoord

Vraag 35 Verslag

Two angles of a triangle are 450 each and its longest side is 12cm. Find the length of one of the other sides

12cm

9\(\sqrt{2}\)cm

6\(\sqrt{2}\)cm Juist antwoord

6cm

3\(\sqrt{2}\)cm

Antwoorddetails

Lees lesnotitie op Angles (WAEC)

Lees lesnotitie op Triangles And Polygons (WAEC)

Angles

Triangles And Polygons

Bekijk antwoord






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