UNN Mathematics 2007/2008 Past Questions

Express 8 x 10^-6 / 2 x 10^-5 as a fraction

Find the values of x for which 2^2x+1 - 33 x 2^x + 4 = 0

If 260₉ / 100₂ = 66_n , find n

Find the values of x such that
$(\table;2,7;3,½)(\table;x;y) = (\table;10;7)$

A chord of a circle of radius 13cm is drawn 5cm from the centre of the circle. Find the length of the chord

If x - 2 is a factor px³ + 2² - 2p + 12, find the value of p.

In a regular pentagon ABCDE, AC intersects BD at P. Calculate <CPD

Subject	Biology	Chemistry	Maths	Physics
Marks	95	2x+10	x	75

The table above shows the marks obtained by a student in an examination. If the total mark obtained is 300, what is the angle corresponding to the mark obtained in Chemistry if the information is represented in a pie chart?

A ladder 17m rests against a vertical wall so that its foot is 8.5m from the wall. Find the angle of inclination of the ladder to the horizontal floor.

Evaluate lim_{x -> 2} x₂ + x - 6 ÷ x - 2

If dy/dx = 6x - 3 and y(-1) = 8, find y(x).

The minimum of the function f(x) = 2x^{2 - 12x + 5 is}

A basket contains 5 MTN cards, 6 GLO cards, 3 MTEL cards and 6 Vmobiles cards. What is the probabilty that a card selected from the basket at random will be MTN or MTEL card?

Find the range of numbers 1/3, 1/2, 3/5, 4/5, 23, 6/7, 8/9.

If the mean of the numbers 4, 3, 5, x, 7 is 5, find the variance