Mr. Robson bought bags of orange for ₦2,500 each. He sold them for ₦90,000 at a loss of 20%. How many bags of orange did he buy?

A straight line has a gradient of -2 and passes through the point (4, 1). What is its equation?

The heights in cm, of 10 children are 145, 163, 159, 162, 167, 149, 150, 160, 170, and 155. The mean height of the children is

The heights in cm, of 10 children are 145, 163, 159, 162, 167, 149, 150, 160, 170, and 155. The standard deviation of the heights of the children is

P is the point (3, 5). Q is the point (-1, 9). R is the midpoint of PQ. Which one of the following lines does R lie on?

If un = 2, 6, 10, ..., the sum of the terms of the sequence above is

Find all the values of $x$ satisfying the inequality $-14\le 4-3x\le 31$

If x = 2, then (x - 1)(2x - 3) =

A chord 6.6m long is 5.6m from the centre of a circle. The radius of the circle is

A dealer increased the price of an item by 20%, and then increased the price of the same item by 30%. If x is the original price, what is the price after the two increases?

Tunse bought a house for ₦1,250,000.00 and spent ₦350,000.00 to renovate it. He then sold the house for ₦2,000,000.00. What is the percentage gain?

Which of the following is the formula for range?

The length of a rectangle is three times its width. If the perimeter is 72 cm, the width of the rectangle is

If 35 is the median of the data set including 21, 7, 45, 33, 62 and x, then x =

A straight line has the equation 10y = 3x + 15. Which of the following is true?

Ann goes swimming regularly. She wants to improve her fitness, so she decides to swim 10 lengths in the first session and increase the number of lengths she swims by 2 every session. When she reaches 50 lengths in a session she will not increase the number any further. If Ann asks her friend Joy to come swimming with her, Joy starts coming at Sue’s 8th session. Joy starts to swim 15 lengths and increases the number of the lengths by 5 each time. After how many of Joy’s sessions does she swim the same number of lengths as Ann?

_________ are used when you want to visually examine the relationship between two quantitative variables.

What is the sum of the first 40 even positive integers?

The graph of cumulative frequency distribution is called

Which of these is a measure of location?

The roof of a shelter is made from a piece of corrugated iron 2.3m long inclined at 18º to the horizontal. How far from the wall does the roof stick out?

List the integral values of which satisfy the inequality $-2<7-3x\le 10$.

If un = 2, 6, 10, ..., the 12th term of the sequence is

If x and y are two real numbers such that 3x + 2y = 5 and 5x + 4y = 9, then 4x + 3y =

A ladder 20m long rests against a vertical wall so that the foot of the ladder 9m from the wall. The height (correct to 1 decimal place above the ground at which the upper end of the ladder touches the wall is

A rectangular box with a square base and no top has a volume of 500 cm, the dimensions of the box that require the least amount of material are

Three consecutive positive integers a, b and c are such that b² = 4(a + c). Find the value of c.

In an arithmetic sequence with 25 terms, if the first term is 60 and last term is -12 the common difference is

Find the sum to infinity of the following series 3 + 2 + 4 + 4/3 + 8/9 + 16/27 + ......

The most frequently occurring number in a set of values is called the ______.

Justice starts a 5km walk from P on a bearing 0230. He then walks 4km on a bearing of 1130 to Q. What is the bearing of Q from P?

The second and fifth terms of a geometric progression a 21 and 567 respectively. Find the first time and the common ratio of the progression.

Find the variance of the numbers k, k + 1, k + 2.

P is the point (2, 7) and Q is the point (6, 3). What is the gradient of PQ?

AAUA allocations to various faculties in a school budget are as follows:

Science: ₦35,000,000.00
Education: ₦25,000,000.00
Law: ₦20,000,000.00
Social and Management: ₦20,000,000.00.
In a pie chart to represent this information, the corresponding angle to science is

If un = 2, 6, 10, ..., the last tem of the sequence is 90. The number of terms in the sequence is

In an arithmetic sequence whose 4th term is 14 and whose 11th term is 70, the sum of the first 12 terms of the sequence is

Ann goes swimming regularly. She wants to improve her fitness, so she decides to swim 10 lengths in the first session and increase the number of lengths she swims by 2 every session. When she reaches 50 lengths in a session she will not increase the number any further. After how many sessions does Ann swim 50 lengths for the first time?

A housewife bought five yams at Y34 per yam and three oranges at Y5 each where Y is the currency reckoned in base six. The total amount spent by the housewife is

Find the principal which amounts to ₦4,400 at simple interest in 5 years at 2% per annum