NECO SSCE - General Mathematics - 2001…

The angle of elevation of the top T of a pole from a point X on the horizontal ground is 32°, if X is 68 m away from the foot F of the pole, calculate the height FT of the pole, correct to one decimal place.

128.3m

108.8m

80.2m

57.7m

42.5m Richtige Antwort

Antwortdetails

Lies die Unterrichtsnotiz zu Bearings (WAEC)

Lies die Unterrichtsnotiz zu Angles Of Elevation And Depression (WAEC)

Bearings

Angles Of Elevation And Depression

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Frage 4 Bericht

If s = \(\sqrt{(\frac{a^2}{x^2} - \frac{b^2}{y^2})}\)what does y equal?

\(\sqrt{\frac{(b^2 - a^2)}{(s^2 - x^2)}}\)

\(\sqrt{\frac{(b^2 - a^2)}{(s^2 \times 2)}}\)

\(\sqrt{\frac{x^2 - a^2 - b^2}{s}}\)

\(\frac{x^2 - a^2 - b^2}{s}\)

\(\sqrt{\frac{(b^2 x^2)}{(a^2 - s^2 x^2)}}\) Richtige Antwort

Antwortdetails

Lies die Unterrichtsnotiz zu Algebraic Fractions (WAEC)

Algebraic Fractions

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Frage 5 Bericht

51 women wore coloured shoes to a party, out of which 21 wore purple and 9 wore white. if a woman is selected at Random. What is the probability that she is wearing neither a purple shoe nor a white shoe?

\(\frac{10}{17}\)

\(\frac{7}{17}\) Richtige Antwort

\(\frac{20}{51}\)

\(\frac{3}{17}\)

\(\frac{1}{51}\)

Antwortdetails

Lies die Unterrichtsnotiz zu Probability (WAEC)

Probability

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Frage 6 Bericht

The surface area of a sphere is 616m2. what is the volume of-the sphere (correct to two significant figures)? (take π = 3.142)

14 cm\(^3\)

210 cm\(^3\)

1,400 cm\(^3\) Richtige Antwort

2,100 cm\(^3\)

4,300 cm\(^3\)

Antwortdetails

Lies die Unterrichtsnotiz zu Logical Reasoning (WAEC)

Lies die Unterrichtsnotiz zu Volumes (WAEC)

Logical Reasoning

Volumes

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Frage 7 Bericht

The mean age of 12 boys involved survey is 19 years, 3 months. lf the-age of one of the boys is 22 years, what is the mean age of the other-boys?

10.5 years

19.0 years Richtige Antwort

35.4 years

264.0 years

423.5 years

Antwortdetails

Lies die Unterrichtsnotiz zu Integration (JAMB)

Lies die Unterrichtsnotiz zu Statistics (WAEC)

Integration

Statistics

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Frage 8 Bericht

Two beads are drawn at random, one after the other, with replacement, from a box containing 5 red and 7 white identical beads. What is the probability that the beads are the same colour

\(\frac{119}{144}\)

\(\frac{95}{144}\)

\(\frac{37}{72}\) Richtige Antwort

\(\frac{49}{144}\)

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

Antwortdetails

Lies die Unterrichtsnotiz zu Probability (WAEC)

Probability

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Frage 9 Bericht

Find the value of x in the equation: 9x = 729

81 Richtige Antwort

Antwortdetails

Lies die Unterrichtsnotiz zu Solution Of Linear Equations (WAEC)

Solution Of Linear Equations

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Frage 10 Bericht

Simplify 27\(^{-\frac{1}{3}}\) \(\times\) 64\(^{-\frac{1}{3}}\) \(\times\) 4\(^{\frac{1}{3}}\)

\(\frac{4}{3}\)

\(\frac{1}{12}\) Richtige Antwort

\(\frac{1}{48}\)

Antwortdetails

Lies die Unterrichtsnotiz zu Logarithms (WAEC)

Logarithms

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Frage 11 Bericht

A bottle of malt costs three times as much as a bottle of Mirinda. If 5 bottles of malt and 4 bottles of Mirinda cost N380.00 altogether, how much does a bottle of malt cost?

N90.00

N80.000

N60,000 Richtige Antwort

N40,000

N20,000

Antwortdetails

Lies die Unterrichtsnotiz zu Modular Arithmetic (WAEC)

Lies die Unterrichtsnotiz zu Sequence And Series (WAEC)

Modular Arithmetic

Sequence And Series

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Frage 12 Bericht

Two fair coins are tossed at the same time. what is the probability of getting a head?

\(\frac{3}{4}\)

\(\frac{1}{2}\)

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

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

Antwortdetails

Lies die Unterrichtsnotiz zu Probability (WAEC)

Lies die Unterrichtsnotiz zu Probability (JAMB)

Lies die Unterrichtsnotiz zu Measures Of Dispersion (JAMB)

Probability

Measures Of Dispersion

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Frage 13 Bericht

An arc of a circle subtends an angle of 75° at the centre of the circle. If the diameter of the circle is 7cm, what Is the length of the arc? (take π = 3.142)

4.58 cm Richtige Antwort

8.02 cm

16.04 cm

32.08 cm

34 cm

Antwortdetails

Lies die Unterrichtsnotiz zu Sine, Cosine And Tangent Of An Angle (WAEC)

Lies die Unterrichtsnotiz zu Circles (WAEC)

Sine, Cosine And Tangent Of An Angle

Circles

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Frage 14 Bericht

A trader sold an article for N4,600.00 thereby making a profit of 15%. Calculate the cost price of the article

N3450.00

N3910.00

N4000.00 Richtige Antwort

N5290.00

N6900.00

Antwortdetails

Lies die Unterrichtsnotiz zu Representation Of Data (JAMB)

Lies die Unterrichtsnotiz zu Modular Arithmetic (WAEC)

Representation Of Data

Modular Arithmetic

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Frage 15 Bericht

If cos x = - \(\frac{5}{13}\) where 180° < X < 270°, what is the value of tan x -sin x ?

\(\frac{111}{13}\)

\(\frac{321}{65}\)

-\(\frac{216}{65}\) Richtige Antwort

\(\frac{112}{13}\)

\(\frac{131}{65}\)

Antwortdetails

Lies die Unterrichtsnotiz zu Sine, Cosine And Tangent Of An Angle (WAEC)

Lies die Unterrichtsnotiz zu Introductory Calculus (WAEC)

Sine, Cosine And Tangent Of An Angle

Introductory Calculus

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Frage 16 Bericht

If 3 boys shared x oranges among themselves in the ratio 3:5:8, and smallest share was 45 oranges, find the value of x

120

165

195

240 Richtige Antwort

Antwortdetails

Lies die Unterrichtsnotiz zu Modular Arithmetic (WAEC)

Lies die Unterrichtsnotiz zu Ratio, Proportions And Rates (WAEC)

Modular Arithmetic

Ratio, Proportions And Rates

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Frage 17 Bericht

If the volume of a cube is (8 x 103)cm\(^3\), what is the surface area the cube?

2,400 cm\(^3\) Richtige Antwort

1,600 cm\(^3\)

120 cm\(^3\)

24 cm\(^3\)

16 cm\(^3\)

Antwortdetails

Lies die Unterrichtsnotiz zu Volumes (WAEC)

Lies die Unterrichtsnotiz zu Areas (WAEC)

Volumes

Areas

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Frage 18 Bericht

Convert 101.011₂ to base 10

\(\frac{77}{8}\)

\(\frac{53}{8}\) Richtige Antwort

Antwortdetails

Lies die Unterrichtsnotiz zu Number Bases (WAEC)

Number Bases

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Frage 19 Bericht

From the kip of a storey-buliding, the angle of depression of a mango on a tree 20 m away from the base of the storey-building is 68°. if the mango is 4.5 m above the ground, what is the height of the storey-building to the nearest metre?

55m

54m Richtige Antwort

50m

49m

45m

Antwortdetails

Lies die Unterrichtsnotiz zu Circles (WAEC)

Lies die Unterrichtsnotiz zu Angles Of Elevation And Depression (WAEC)

Circles

Angles Of Elevation And Depression

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Frage 20 Bericht

The radius of a sphere is 21cm. If s and v represent the curved surface area and volume respectively, what is s : v? (take π = 3.142)

1:03

1:07 Richtige Antwort

3:01

3:07

7:01

Antwortdetails

Lies die Unterrichtsnotiz zu Coordinate Geometry (WAEC)

Lies die Unterrichtsnotiz zu Ratio, Proportions And Rates (WAEC)

Coordinate Geometry

Ratio, Proportions And Rates

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Frage 21 Bericht

The lengths of the sides of a triangle are 15m, 21m, and 28cm. What is the size of the angle facing the side 21m (correct to one decimal place)?

85.7°

47.5° Richtige Antwort

41.5°

41.4°

38.2°

Antwortdetails

Lies die Unterrichtsnotiz zu Triangles And Polygons (WAEC)

Triangles And Polygons

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Frage 22 Bericht

A chord is drawn 12cm away from the centre of a circle of radius 13cm. What is the length of the chord?

169.00 cm

144.00 cm

25.00 cm

17.69 cm

10.00 cm Richtige Antwort

Antwortdetails

Lies die Unterrichtsnotiz zu Circles (WAEC)

Circles

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Frage 23 Bericht

If sin θ = 4/5 where 0° ∠ θ ∠ 900, what is the value of cos θ + tan θ?

\(\frac{14}{15}\)

\(\frac{29}{15}\) Richtige Antwort

\(\frac{13}{8}\)

\(\frac{144}{15}\)

\(\frac{24}{5}\)

Antwortdetails

Lies die Unterrichtsnotiz zu Sine, Cosine And Tangent Of An Angle (WAEC)

Sine, Cosine And Tangent Of An Angle

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Frage 24 Bericht

Evaluate (\(\frac{1}{343}\))\(^{\frac{1}{3}}\) + (64)\(^{-\frac{1}{3}}\) - \(\frac{4}{9}\)\(^{-\frac{1}{2}}\)

-\(\frac{17}{36}\)

-\(\frac{3}{28}\) Richtige Antwort

\(\frac{13}{28}\)

\(\frac{17}{36}\)

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

Antwortdetails

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Frage 25 Bericht

Mr Aborowa bought a car for N200,000.00 and later sold it for N170,000.00. What is the percentage loss?

117.60%

11.76%

13.60%

17.65% Richtige Antwort

Antwortdetails

Lies die Unterrichtsnotiz zu Percentages (WAEC)

Lies die Unterrichtsnotiz zu Modular Arithmetic (WAEC)

Percentages

Modular Arithmetic

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Frage 26 Bericht

Find the 19th term of the A.P. \(\frac{5}{6}\), \(\frac{8}{6}\), \(\frac{11}{6}\).................

7\(\frac{1}{2}\)

9\(\frac{1}{2}\)

9\(\frac{5}{6}\) Richtige Antwort

Antwortdetails

Lies die Unterrichtsnotiz zu Sequence And Series (WAEC)

Sequence And Series

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Frage 27 Bericht

If t varies inversely as the cube of s, and t = 24, when s = 3, find t when s = 2

81 Richtige Antwort

648

Antwortdetails

Lies die Unterrichtsnotiz zu Variation (WAEC)

Lies die Unterrichtsnotiz zu Variation (JAMB)

Variation

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Frage 28 Bericht

The first term of a G.P is 7. Find its 4th term, if its common ratio is 3.

567

280

189 Richtige Antwort

Antwortdetails

Lies die Unterrichtsnotiz zu Sequence And Series (WAEC)

Sequence And Series

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Frage 29 Bericht

Solve the equation x² - 3x - 10 = 0

-2 or -5

-3 or -10

5 or -2 Richtige Antwort

2 or 5

3 or 10

Antwortdetails

Lies die Unterrichtsnotiz zu Solution Of Linear Equations (WAEC)

Lies die Unterrichtsnotiz zu Quadratic Equations (WAEC)

Solution Of Linear Equations

Quadratic Equations

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Frage 30 Bericht

Simplify \(\sqrt{6a} \times \sqrt{576a^6}\)

± 16a2

± 16a

± 14a2

± 12a2 Richtige Antwort

± 12a

Antwortdetails

Lies die Unterrichtsnotiz zu Positive And Negative Integers, Rational Numbers (WAEC)

Lies die Unterrichtsnotiz zu Surds (radicals) (WAEC)

Positive And Negative Integers, Rational Numbers

Surds (radicals)

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Frage 31 Bericht

Given that (3 - y) ÷ 2x = (6y + 7) ÷ (4x - 5), find the value of x when y = 2

\(\frac{64}{5}\)

\(\frac{5}{34}\)

\(\frac{-5}{34}\) Richtige Antwort

\(\frac{-64}{5}\)

Antwortdetails

Lies die Unterrichtsnotiz zu Solution Of Linear Equations (WAEC)

Solution Of Linear Equations

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Frage 32 Bericht

If the mean of 3, 5, 8, k, 14 and 17 is 11, what is the value of k

19 Richtige Antwort

967

Antwortdetails

Lies die Unterrichtsnotiz zu Surds (radicals) (WAEC)

Surds (radicals)

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Frage 33 Bericht

The bearing of a point Y from point x is 150°. What is the bearing of X from Y?

330° Richtige Antwort

240°

150°

120°

30°

Antwortdetails

Lies die Unterrichtsnotiz zu Bearings (WAEC)

Bearings

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Frage 34 Bericht

Find the value of k such that \(t^2\) + kt + \(\frac{25}{4}\) is a perfect square

5 Richtige Antwort

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

\(\frac{5}{4}\)

\(\frac{1}{5}\)

Antwortdetails

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Frage 35 Bericht

Express 0.03785 in standard form correct to 3 significant figures.

3 × 10\(^{-2}\)

3.78 × 10\(^{-2}\)

3.79 × 10\(^{-2}\) Richtige Antwort

3.79 × 10\(^{-1}\)

37.9 × 10\(^{-3}\)

Antwortdetails

Lies die Unterrichtsnotiz zu Fractions, Decimals And Approximations (WAEC)

Fractions, Decimals And Approximations

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NECO SSCE - General Mathematics - 2001 (Objective)