Answers

A man is standing in the corridor of a 10-storey building and looking down at a tall tree…

A rectangular picture 6cm by 8cm is enclosed by a frame (frac{1}{2})cm wide. Calculate the area of the…

A father is now three times as old as his son. Twelve years ago he was six times…

If (sqrt{3^{frac{1}{x}}}) = (sqrt{9}) then the value of x is: A. (frac{3}{4}) B. (frac{4}{3}) C. (frac{1}{3}) D. (frac{2}{3})…

The following table relates the number of objects f corresponding to a certain size x. What is the…

If y = x2 – 2x – 3, Find the least value of y and corresponding value of…

What is the greatest straight line distance between two vertices (corners) of a cube whose sides are 2239cm…

What is log7(49a) – log10(0.01)? A. (frac{49^a}{100}) B. (frac{a}{2}) + 2 C. 72a + 2 D. 2a +…

The size of a quantity first doubles and then increases by a further 16%. After a short time…

Simplify (frac{1 – x^2}{x – x^2}), where x (neq) 0 A. (frac{1}{x}) B. (frac{1 – x}{x}) C. (frac{1…