NECO SSCE - General Mathematics - 2008

which of the following properties is/are common to parallelograms and rectangles?
I. all angles are right angles
II. the diagonals are equals.
III. the opposite sides are equal and parallel.

I and II

I and III

II and III

III

Maelezo ya Majibu

Soma maelezo ya somo kwenye Circles (WAEC)

Soma maelezo ya somo kwenye Triangles And Polygons (WAEC)

Circles

Triangles And Polygons

Tazama Jibu

Swali 8 Ripoti

The median of a distribution can be estimated from

Barchart

Cumulative frequency curve

Frequency polygon

Pictorial

Pie chart

Maelezo ya Majibu

Soma maelezo ya somo kwenye Representation Of Data (JAMB)

Soma maelezo ya somo kwenye Permutation And Combination (JAMB)

Soma maelezo ya somo kwenye Measures Of Location (JAMB)

Representation Of Data

Permutation And Combination

Measures Of Location

Tazama Jibu

Swali 9 Ripoti

P = {x:(x - 2)(x + 3) (x - 4)(x + 5) = 0}. The elements in P are

-5,-2, 3, 4

-5, -3, 2, 4

-5, -3, -2,4

-4, -3, -2, 5

2, 3, 4, 5

Maelezo ya Majibu

Tazama Jibu

Swali 10 Ripoti

Calculate the area of a parallelogram whose diagonals are of length 8cm and 12cm and intersect at an angle of 135°

271.5cm²

135.8cm²

96.0cm²

48.0cm²

33.9cm²

Maelezo ya Majibu

Soma maelezo ya somo kwenye Areas (WAEC)

Soma maelezo ya somo kwenye Angles (WAEC)

Areas

Angles

Tazama Jibu

Swali 11 Ripoti

Twenty girls and y boys sat on an examination. The mean marks obtained by the girls and boys were 52 and 57 respectively. if the total score for both girls and boys was 2750, find y.

Maelezo ya Majibu

Soma maelezo ya somo kwenye Variation (JAMB)

Soma maelezo ya somo kwenye Areas (WAEC)

Variation

Areas

Tazama Jibu

Swali 12 Ripoti

The ages of Abu, Segun, Kofi and Funmi are 17 years, (2x -13) years, 14 years and 16 years respectively. What is the value of x if their mean ages is 17.5 years?

Maelezo ya Majibu

Soma maelezo ya somo kwenye Solution Of Linear Equations (WAEC)

Soma maelezo ya somo kwenye Algebraic Expressions (WAEC)

Soma maelezo ya somo kwenye Algebraic Fractions (WAEC)

Solution Of Linear Equations

Algebraic Expressions

Algebraic Fractions

Tazama Jibu

Swali 13 Ripoti

Find the coefficient of xy in the expansion of (x - 4y)(3x + 2y)

-10

-12

Maelezo ya Majibu

Tazama Jibu

Swali 14 Ripoti

Find y if sin y = cos 48°

21°

24°

42°

48°

102°

Maelezo ya Majibu

Soma maelezo ya somo kwenye Sine, Cosine And Tangent Of An Angle (WAEC)

Soma maelezo ya somo kwenye Circles (WAEC)

Sine, Cosine And Tangent Of An Angle

Circles

Tazama Jibu

Swali 15 Ripoti

Given that x² + y² + k = 60 and x = $\sqrt{10}$ when y = 4 , find the value of k.

-34

-56

Maelezo ya Majibu

x $^{2}$ + y $^{2}$ + k = 60

(?10) $^{2}$ + (4) $^{2}$ + k = 60

k + 10 + 16 = 60

k = 60 - 26

k = 34

Soma maelezo ya somo kwenye Quadratic Equations (WAEC)

Quadratic Equations

Tazama Jibu

Swali 16 Ripoti

A pair of shoes was sold for N2,250.00 at a loss of 10%. What was the cost price?

N750.00

N2,500.00

N2,538.00

N3,288.00

N4,038.00

Maelezo ya Majibu

Soma maelezo ya somo kwenye Representation Of Data (JAMB)

Soma maelezo ya somo kwenye Modular Arithmetic (WAEC)

Soma maelezo ya somo kwenye Financial Arithmetic (WAEC)

Representation Of Data

Modular Arithmetic

Financial Arithmetic

Tazama Jibu

Swali 17 Ripoti

2 bags of sugar at N_x per bag are mixed with 3 bags of sugar at N_y per bag. What is the cost in N of the mixture per bag?

$\frac{(2x + 3y)}{5}$

$\frac{(x + y)}{2}$

$\frac{x}{2} +\frac{y}{3}$

$\frac{(x + y)}{5}$

$\frac{(3x + 2y)}{5}$

Maelezo ya Majibu

Soma maelezo ya somo kwenye Solution Of Linear Equations (WAEC)

Solution Of Linear Equations

Tazama Jibu

Swali 18 Ripoti

A man travels at a rate of 25m/sec. If he travels for 10½hrs, how many kilometres has he covered?

262.5

945

970

995

1822.9

Maelezo ya Majibu

Soma maelezo ya somo kwenye Fractions, Decimals And Approximations (WAEC)

Soma maelezo ya somo kwenye Financial Arithmetic (WAEC)

Fractions, Decimals And Approximations

Financial Arithmetic

Tazama Jibu

Swali 19 Ripoti

Simplify the expression: $Log_{4}16$ + $Log_{3}27$ + $Log_{8}4096$

-9

$\frac{1}{3}$

$\frac{1}{9}$

Maelezo ya Majibu

Soma maelezo ya somo kwenye Positive And Negative Integers, Rational Numbers (WAEC)

Soma maelezo ya somo kwenye Logarithms (WAEC)

Positive And Negative Integers, Rational Numbers

Logarithms

Tazama Jibu

Swali 20 Ripoti

The ratio of the base area of a hollow cone to that of its curved surface is 1:4. If its base radius is 7cm, calculate the slant height of the cone

7cm

22cm

28cm

49cm

154cm

Maelezo ya Majibu

Soma maelezo ya somo kwenye Modular Arithmetic (WAEC)

Soma maelezo ya somo kwenye Financial Arithmetic (WAEC)

Modular Arithmetic

Financial Arithmetic

Tazama Jibu

Swali 21 Ripoti

Construct a quadratic equation whose roots are -$\frac{3}{2}$ and 7

3x² + 11x + 21 = 0

2x² + 11x + 21 = 0

2x² - 11x – 21 = 0

3x² - 11x - 21 = 0

x² - 11x – 21 = 0

Maelezo ya Majibu

Soma maelezo ya somo kwenye Quadratic Equations (WAEC)

Quadratic Equations

Tazama Jibu

Swali 22 Ripoti

A chord XY of a circle with centre O and radius 5.32cm has ∠XOY = 140°. What is the length of the chord to the nearest centimetre?

10cm

6cm

5cm

3cm

1cm

Maelezo ya Majibu

Soma maelezo ya somo kwenye Circles (WAEC)

Circles

Tazama Jibu

Swali 23 Ripoti

Evaluate (2⁵ × 4^-2) ÷ (2^-3 × 2⁶)

$\frac{8}{9}$

$\frac{1}{4}$

Maelezo ya Majibu

Soma maelezo ya somo kwenye Indices (WAEC)

Indices

Tazama Jibu

Swali 24 Ripoti

In proving the congruence of two triangles, which of the following is not important?

two sides and the included angles

two angles and a side

three sides

three angles

right angle, hypotenuse and another side

Maelezo ya Majibu

Soma maelezo ya somo kwenye Circles (WAEC)

Soma maelezo ya somo kwenye Indices (WAEC)

Soma maelezo ya somo kwenye Angles And Intercepts On Parallel Lines (WAEC)

Soma maelezo ya somo kwenye Triangles And Polygons (WAEC)

Circles

Indices

Angles And Intercepts On Parallel Lines

Triangles And Polygons

Tazama Jibu

Swali 25 Ripoti

If A = $\frac{1}{2}$h (a + b), make ‘a’ the subject of the formula

(2A – 2bh) ÷ b

(2A – bh) ÷ h

(2A – bh) ÷ b

(A – 2bh) ÷ h

(2A – h) ÷ bh

Maelezo ya Majibu

Tazama Jibu

Swali 26 Ripoti

If the 3rd and the 5th terms of an A.P are 6 and 10 respectively, find the 1st term and the common difference respectively.

1, 2

2, 2

2, 3

3, 2

3,3

Maelezo ya Majibu

Soma maelezo ya somo kwenye Sequence And Series (WAEC)

Sequence And Series

Tazama Jibu

Swali 27 Ripoti

Multiply (3$\sqrt{a}$ - 4a) by (4a + 3$\sqrt{a}$)

9a + 16a²

9a – 16a²

3a + 16a²

3a - 16a²

a - 16a²

Maelezo ya Majibu

Soma maelezo ya somo kwenye Surds (radicals) (WAEC)

Surds (radicals)

Tazama Jibu

Swali 28 Ripoti

The chances of Usman and Dele passing a Mathematics test are 12 and 13 respectively. What is the probability that neither of them passes the test?

$\frac{3}{5}$

$\frac{2}{5}$

$\frac{4}{15}$

$\frac{1}{5}$

$\frac{2}{15}$

Maelezo ya Majibu

Tazama Jibu

Swali 29 Ripoti

If y + $\frac{1}{y}$ = 9, evaluate y² + $\frac{1}{y^2}$

Maelezo ya Majibu

Soma maelezo ya somo kwenye Solution Of Linear Equations (WAEC)

Soma maelezo ya somo kwenye Number Bases (WAEC)

Soma maelezo ya somo kwenye Areas (WAEC)

Solution Of Linear Equations

Number Bases

Areas

Tazama Jibu

Swali 30 Ripoti

Increase 135 in the ratio 3:5

225

216

143

140

Maelezo ya Majibu

Soma maelezo ya somo kwenye Modular Arithmetic (WAEC)

Soma maelezo ya somo kwenye Ratio, Proportions And Rates (WAEC)

Modular Arithmetic

Ratio, Proportions And Rates

Tazama Jibu

Swali 31 Ripoti

Two ladders of length 5m and 7m lean against a pole and make angles 45° and 60° with the ground respectively. What is their distance apart on the pole correct to two decimal places?

9.60m

6.06m

2.54m

2.53m

2.00m

Maelezo ya Majibu

Soma maelezo ya somo kwenye Loci (WAEC)

Soma maelezo ya somo kwenye Angles Of Elevation And Depression (WAEC)

Soma maelezo ya somo kwenye Coordinate Geometry (WAEC)

Loci

Angles Of Elevation And Depression

Coordinate Geometry