NECO SSCE - General Mathematics - 2004

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

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

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

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

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?

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

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

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

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

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

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?

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?

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

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

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

Express the quotient of 0.422 and 0.004 in standard form

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?

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?

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

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

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

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

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

Express the product of 0.007 and 0.057 to two significant figures

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

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

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

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

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

Find x if (x - 2)² = 1\(\frac{7}{9}\)

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

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

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?

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

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: