NECO SSCE - General Mathematics - 2004

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?

Awọn alaye Idahun

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

Awọn alaye Idahun

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

Awọn alaye Idahun

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

Awọn alaye Idahun

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

Awọn alaye Idahun

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?

Awọn alaye Idahun

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

Awọn alaye Idahun

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

Awọn alaye Idahun

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

Awọn alaye Idahun

Express the product of 0.007 and 0.057 to two significant figures

Awọn alaye Idahun

Find x if (x - 2)² = 1\(\frac{7}{9}\)

Awọn alaye Idahun

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

Awọn alaye Idahun

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

Awọn alaye Idahun

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?

Awọn alaye Idahun

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?

Awọn alaye Idahun

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

Awọn alaye Idahun

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

Awọn alaye Idahun

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?

Awọn alaye Idahun

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

Awọn alaye Idahun

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

Awọn alaye Idahun

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

Awọn alaye Idahun

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

Awọn alaye Idahun

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

Awọn alaye Idahun

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

Awọn alaye Idahun

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

Awọn alaye Idahun

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:

Awọn alaye Idahun

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?

Awọn alaye Idahun

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

Awọn alaye Idahun

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

Awọn alaye Idahun

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

Awọn alaye Idahun

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

Awọn alaye Idahun

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

Awọn alaye Idahun

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

Awọn alaye Idahun

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

Awọn alaye Idahun

Express the quotient of 0.422 and 0.004 in standard form

Awọn alaye Idahun