NECO SSCE - General Mathematics - 2002…

Tambaya 1 Rahoto

Simplify [1 ÷ (x + 1)] - [2 ÷ (x - 1)] + [3 ÷ (x² - 1)]

- 3x ÷ (x² - 1)

- x ÷ (x² -1) Amsar da ta dace

x ÷ (x² - 1)

(x + 1) ÷ (x² - 1)

(x + 4) ÷ (x² - 1)

Bayanin Amsa

Karanta bayanin darasi akan Algebraic Fractions (WAEC)

Algebraic Fractions

Duba Amsa

Tambaya 2 Rahoto

What is the total surface area of a cuboid whose dimensions are 12cm × 8cm × 3cm?

312cm\(^2\) Amsar da ta dace

96cm\(^2\)

36cm\(^2\)

24cm\(^2\)

12cm\(^2\)

Bayanin Amsa

Karanta bayanin darasi akan Volumes (WAEC)

Karanta bayanin darasi akan Areas (WAEC)

Volumes

Areas

Duba Amsa

Tambaya 3 Rahoto

After what length of time will N2400.00 yield an interest of N60.00 at 1\(\frac{1}{2}\)% per annum?

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

1\(\frac{2}{3}\) years Amsar da ta dace

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

1 years

\(\frac{3}{5}\) year

Bayanin Amsa

Karanta bayanin darasi akan Fractions, Decimals And Approximations (WAEC)

Fractions, Decimals And Approximations

Duba Amsa

Tambaya 4 Rahoto

What is the volume of a cube if the diagonal of one of the sides is \(\sqrt{50}\)cm?

7.07cm\(^3\)

50.0cm\(^3\)

125.0cm\(^3\) Amsar da ta dace

353.4cm\(^3\)

625.0cm\(^3\)

Bayanin Amsa

Karanta bayanin darasi akan Volumes (WAEC)

Karanta bayanin darasi akan Simple Operations On Algebraic Expressions (WAEC)

Volumes

Simple Operations On Algebraic Expressions

Duba Amsa

Tambaya 5 Rahoto

A petrol attendant recorded the number of vehicles that bought petrol from him for -3 hours and recorded 12 cars and 27 buses. What is the probability that the next vehicle will be a bus?

\(\frac{4}{39}\)

\(\frac{4}{13}\)

\(\frac{5}{13}\)

\(\frac{6}{13}\)

\(\frac{9}{13}\) Amsar da ta dace

Bayanin Amsa

Karanta bayanin darasi akan Surds (radicals) (WAEC)

Surds (radicals)

Duba Amsa

Tambaya 6 Rahoto

The angle of elevation of the top (T) of a palm tree from a point (R) on the ground is 30°. The distance from R to the base (B) of the palm tree is 120m. What is the distance between T and R?

60m

60\(\sqrt{3}\)m

80\(\sqrt{3}\)m Amsar da ta dace

120\(\sqrt{3}\)m

240m

Bayanin Amsa

Karanta bayanin darasi akan Angles Of Elevation And Depression (WAEC)

Angles Of Elevation And Depression

Duba Amsa

Tambaya 7 Rahoto

Twice a number, x, is added to 5, the result is at least 11. What is the range of values of x?

x > 3

x ≥ 3 Amsar da ta dace

x ≤ 3

x < 3

x ≤ -3

Bayanin Amsa

Karanta bayanin darasi akan Solution Of Linear Equations (WAEC)

Karanta bayanin darasi akan Inequalities (JAMB)

Karanta bayanin darasi akan Simple Operations On Algebraic Expressions (WAEC)

Solution Of Linear Equations

Inequalities

Simple Operations On Algebraic Expressions

Duba Amsa

Tambaya 8 Rahoto

The length, breadth and height of a cuboid are 8cm, 7\(\frac{1}{2}\)cm and 6\(\frac{1}{2}\) cm respectively. What Is its volume in m³ (leave your answer in standard form)?

3.9 × 10^-1m³

3.9 × 10^-2m³

3.9 × 10^-3m³

3.9 × 10^-4m³ Amsar da ta dace

3.9 × 10^-5m³

Bayanin Amsa

Duba Amsa

Tambaya 9 Rahoto

One bag contains 4 white balls and 2 black balls. Another bag contains 3 white balls and 5 black balls, if one ball is drawn from each bag, what is the probability that both are white?

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

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

\(\frac{7}{24}\)

\(\frac{1}{4}\) Amsar da ta dace

\(\frac{1}{24}\)

Bayanin Amsa

Karanta bayanin darasi akan Probability (WAEC)

Karanta bayanin darasi akan Surds (radicals) (WAEC)

Probability

Surds (radicals)

Duba Amsa

Tambaya 10 Rahoto

If , sT = \(\sqrt{\frac{[(a + T)T]}{a}}\) what does T equal?

T = (a²s² – 1)

T = (a²s²– 1) ÷ a

T = a ÷ (a² - s²)

T = a ÷ (a²s² – 1) Amsar da ta dace

T = (as – 1)²

Bayanin Amsa

Karanta bayanin darasi akan Algebraic Expressions (WAEC)

Algebraic Expressions

Duba Amsa

Tambaya 11 Rahoto

Given that the universal set U={14,15,16,17,18,19,20}, J ={16,19,20} and K= {14,15,18}, find (J' ∩ K')1.

{17}

{16, 17, 19, 20}

{1, 4, 15, 17, 18}

{14, 15, 16, 18, 19, 20} Amsar da ta dace

{14, 15, 16, 17, 18, 19, 20}

Bayanin Amsa

Duba Amsa

Tambaya 12 Rahoto

When a shirt is sold for N12000.00, a loss of 20% is recorded. How much should it be sold for to gain 20%?

N4800.00

N400

N1800.00 Amsar da ta dace

N1500.00

N960.00

Bayanin Amsa

Karanta bayanin darasi akan Modular Arithmetic (WAEC)

Karanta bayanin darasi akan Financial Arithmetic (WAEC)

Modular Arithmetic

Financial Arithmetic

Duba Amsa

Tambaya 13 Rahoto

A cone was developed from a sector of a circle with radius10cm and an angle at the centre of 108°. What is the radius of the cone?

9.0cm

8.5cm

7.2cm

4.3cm

3.0cm Amsar da ta dace

Bayanin Amsa

Karanta bayanin darasi akan Euclidean Geometry (JAMB)

Euclidean Geometry

Duba Amsa

Tambaya 14 Rahoto

An amount of money is shared among P,Q and R such that for every 3P gets, Q gets 2 and for every 1Q gets, R gets 4. Find P: Q : R

3 : 1 : 4

3 : 2 : 1

3 : 2 : 4

3 : 3 : 4

3 : 2 : 8 Amsar da ta dace

Bayanin Amsa

Karanta bayanin darasi akan Sine, Cosine And Tangent Of An Angle (WAEC)

Karanta bayanin darasi akan Variation (JAMB)

Karanta bayanin darasi akan Financial Arithmetic (WAEC)

Sine, Cosine And Tangent Of An Angle

Variation

Financial Arithmetic

Duba Amsa

Tambaya 15 Rahoto

A wire was shaped to form a square of area 81cm\(^2\). An equilateral triangle was formed by the same wire,What is the length of a side of the triangle formed?

3cm

6cm

9cm

12cm Amsar da ta dace

27cm

Bayanin Amsa

Duba Amsa

Tambaya 16 Rahoto

If \(\frac{t}{1}\) = \(\sqrt{(\frac{4\pi^2}{g}})\), what is the value of g when I = 4.5; t = 5 secs

3.20 ms²

11.31 ms²

32.00 ms² Amsar da ta dace

56.57 ms²

160.00 ms²

Bayanin Amsa

Karanta bayanin darasi akan Probability (WAEC)

Karanta bayanin darasi akan Modular Arithmetic (WAEC)

Probability

Modular Arithmetic

Duba Amsa

Tambaya 17 Rahoto

Three sets of rice x, y and z are sold for N15.00, N35.00 and N60.00 respectively per kg. It they are mixed in the ratio of 1: 3 : 2, what is the cast per kg of the mixture?

N45.00

N42.50

N40.00 Amsar da ta dace

N35.50

N25.80

Bayanin Amsa

Karanta bayanin darasi akan Sine, Cosine And Tangent Of An Angle (WAEC)

Karanta bayanin darasi akan Positive And Negative Integers, Rational Numbers (WAEC)

Karanta bayanin darasi akan Ratio, Proportions And Rates (WAEC)

Sine, Cosine And Tangent Of An Angle

Positive And Negative Integers, Rational Numbers

Ratio, Proportions And Rates

Duba Amsa

Tambaya 18 Rahoto

Two parallel chords of a circle are respectively 46cm and 40cm long. If the radius of the circle is 25cm and the centre of the circle lies between the two chords, what is the distance between the chords?

7cm

15cm

22cm Amsar da ta dace

26cm

30cm

Bayanin Amsa

Karanta bayanin darasi akan Circles (WAEC)

Karanta bayanin darasi akan Number Bases (JAMB)

Karanta bayanin darasi akan Triangles And Polygons (WAEC)

Circles

Number Bases

Triangles And Polygons

Duba Amsa

Tambaya 19 Rahoto

Solve the equation: \(\frac{1}{3}x\) + \(\frac{2}{5}\) = \(\frac{3}{4}x\) - \(\frac{1}{6}\)

\(\frac{17}{30}\)

\(\frac{65}{102}\)

\(\frac{25}{34}\)

\(\frac{102}{75}\)

\(\frac{34}{25}\) Amsar da ta dace

Bayanin Amsa

Karanta bayanin darasi akan Solution Of Linear Equations (WAEC)

Solution Of Linear Equations

Duba Amsa

Tambaya 20 Rahoto

What must be added to 3x² - 5x to make it a perfect square?

\(\frac{36}{25}\)

\(\frac{25}{36}\) Amsar da ta dace

-\(\frac{25}{36}\)

-\(\frac{5}{6}\)

-\(\frac{6}{5}\)

Bayanin Amsa

Karanta bayanin darasi akan Simple Operations On Algebraic Expressions (WAEC)

Karanta bayanin darasi akan Quadratic Equations (WAEC)

Simple Operations On Algebraic Expressions

Quadratic Equations

Duba Amsa

Tambaya 21 Rahoto

What is the total surface area of a cylinder with radius 2cm and height 1.5cm, correct to 2 significant figures?

440cm\(^2\)

220cm\(^2\)

88cm\(^2\)

44cm\(^2\) Amsar da ta dace

22cm\(^2\)

Bayanin Amsa

Karanta bayanin darasi akan Volumes (WAEC)

Karanta bayanin darasi akan Areas (WAEC)

Volumes

Areas

Duba Amsa

Tambaya 22 Rahoto

The mean and the range of the set of numbers: 1.20, 1.00, 0.90, 1.40, 0.80, 0.80, 1.20 and 1.10 are p and q respectively. What is the value of p ÷ q?

1.11

1.85 Amsar da ta dace

2.45

3.85

Bayanin Amsa

Karanta bayanin darasi akan Statistics (WAEC)

Statistics

Duba Amsa

Tambaya 23 Rahoto

A boy leaves station X on a bearing of 035° to station y which is 21km away. He then travels to another station Z on a bearing of 125°. If Z is directly East of X, what is the distance from X to his present position?

3.0km

12.04km

17.2km

34.18km

36.61km Amsar da ta dace

Bayanin Amsa

Karanta bayanin darasi akan Bearings (WAEC)

Karanta bayanin darasi akan Angles (WAEC)

Bearings

Angles

Duba Amsa

Tambaya 24 Rahoto

A quadratic equation with roots -1\(\frac{1}{2}\) and \(\frac{1}{4}\) is

x² + 3x + 4 = 0

8x² + 10x + 3 = 0

8x² +12x – 3 = 0

8x² + 10x-3.= 0 Amsar da ta dace

8x² + 12x + 3 = 0

Bayanin Amsa

Karanta bayanin darasi akan Quadratic Equations (WAEC)

Quadratic Equations

Duba Amsa

Tambaya 25 Rahoto

Evaluate 1.25 × 10\(^2\) × 0.125 × 10\(^3\) × 12.5 × 10\(^{-4}\) leaving your answer in standard form

1.995 × 10³

1.95 × 10²

1.95 × 10¹ Amsar da ta dace

1.95 × 10^-2

1.95 × 10^-3

Bayanin Amsa

Karanta bayanin darasi akan Number Bases (WAEC)

Karanta bayanin darasi akan Number Bases (JAMB)

Number Bases

Duba Amsa

Tambaya 26 Rahoto

Simplify 2a² -4ab - 6a² - 10ab + 5ab - 5a²

-9(a + b)

9(a + b)

-9a (a + b) Amsar da ta dace

9a(a - b)

9b(a + b)

Bayanin Amsa

Karanta bayanin darasi akan Solution Of Linear Equations (WAEC)

Karanta bayanin darasi akan Algebraic Expressions (WAEC)

Karanta bayanin darasi akan Simple Operations On Algebraic Expressions (WAEC)

Solution Of Linear Equations

Algebraic Expressions

Simple Operations On Algebraic Expressions

Duba Amsa

Tambaya 27 Rahoto

The mean heights of 3 groups of students consisting of 20, 16 and 14 students are 1.67m, 1.50m and 1.40m Respectively. What is the mean height of all the students?

1.52m

1.53m

1.54 Amsar da ta dace

1.55m

1.56m

Bayanin Amsa

Duba Amsa

Tambaya 28 Rahoto

If sin θ = \(\frac{\sqrt{3}}{2}\) and 0 < θ < 180°, what is cos θ ?

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

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

\(\frac{1}{2}\) Amsar da ta dace

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

\(\sqrt{3}\)

Bayanin Amsa

Karanta bayanin darasi akan Sine, Cosine And Tangent Of An Angle (WAEC)

Sine, Cosine And Tangent Of An Angle

Duba Amsa

Tambaya 29 Rahoto

The probability that a student will pass a mathematics test is ⅗. If 3 students are chosen at random, what is the probability that at least 2 of them will pass the test?

\(\frac{27}{125}\)

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

\(\frac{72}{125}\)

\(\frac{76}{125}\)

\(\frac{81}{125}\) Amsar da ta dace

Bayanin Amsa

Karanta bayanin darasi akan Probability (WAEC)

Probability

Duba Amsa

Tambaya 30 Rahoto

What are the factors of 2x\(^2\) - xy - 3y\(^2\) ?

(2x + 3y)(x + y)²

(2x + 3y)(x + y)

(2x + 3y)(x - y)

(2x - 3y)(x + y) Amsar da ta dace

(2x - 3y)(x - y)

Bayanin Amsa

Karanta bayanin darasi akan Algebraic Expressions (WAEC)

Algebraic Expressions

Duba Amsa

Tambaya 31 Rahoto

If sin 30° = 0.5, what is the cosine of its complement?

-0.866

-0.5

0.0.5 Amsar da ta dace

0.866

Bayanin Amsa

Karanta bayanin darasi akan Sine, Cosine And Tangent Of An Angle (WAEC)

Karanta bayanin darasi akan Trigonometry (JAMB)

Sine, Cosine And Tangent Of An Angle

Trigonometry

Duba Amsa

Tambaya 32 Rahoto

A girl on top of a storey building 36m high dropped a N10.00 note on the ground below. If the angle of depression of the N10.00 note is 35°, how far is the money from the girl?

20.64m

29.48m

44.49m

49.55m

62.76m Amsar da ta dace

Bayanin Amsa

Karanta bayanin darasi akan Bearings (WAEC)

Karanta bayanin darasi akan Angles Of Elevation And Depression (WAEC)

Bearings

Angles Of Elevation And Depression

Duba Amsa






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NECO SSCE - General Mathematics - 2002 (Objective)