UNN Mathematics 2018/2019 - Model 2 Past Questions

The cost of renovating a 6m square room is N540. What is the cost of renovating a 9m square room?

If 5, 8, 6 and 2 occur with frequencies 3, 2, 4 and 1 respectively. Find the product of the modal and the median number.

The solution of the quadratic inequality (x² + x - 12) ≥ 0 is

A man made a profit of 5% when he sold an article for N60,000.00. How much would he have to sell the article to make a profit of 26%?

Find the sum of the first 18 terms of the series 3, 6, , ..., 36.

Solve for x and y in the equations below: x³ - y³ = 4, x + y = 2

Simplify ${{√5(√{147} - √{12})}/{√{15}}}$

The fifth term of an A.P. is 24 and the eleventh term is 96. Find the first term.

Simplify 0.000215 × 0.000028 and express your answer in standard form.

A bag contains 5 black, 4 white and x red marbles. If the probability of picking a red marble is ${2/3}$, find the value of x

Convert 2232₄ to a number in base six

If ${{dy}/{dx} = x + cos x}$, find y

Find the value of x for which the function f(x) = 2x³ - x² - 4x + 4 has a minimum value .

The volume of a pyramid with the height 15cm is 90cm². If its base is a rectangle with dimensions xcm by 6cm, find the value of x.

The diagonal of a square is 60cm. Calculate its perimeter.