Which of these is a measure of location?

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?

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

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

The lengths of the sides of a right-angled triangle are ym, (3y - 1)m and (3y + 1)m, find y.

In a survey of villagers, it is found that 20% of the people have visited Kano and 25% have visited Port Harcourt. If 5% have been to both cities, then the percentage that have visited neither Kano nor Port Harcourt is

In an arithmetic sequence whose 4th term is 14 and whose 11th term is 70, the first term and common difference are

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

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.

Which of the following points does not lie on the line 2y + 5x -4 = 0?

As a general rule, the _______ is the best measure of central tendency because it is more precise.

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

What is sin 30${}^{}$?

Rationalize $\frac{(4\sqrt{7}+\sqrt{2})\; /}{(\sqrt{2}-7)}$

The _______ is often the preferred measure of central tendency if the data are severely skewed.

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

At what value of x is the function y = x² - 6x - 7 minimum?

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

Solve the simultaneous linear equations: 2x + 5y = 11, 7x + 4y = 2.

One of these is a demerit of a sample

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?

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

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

Divide the L.C.M. of 36, 54 and 90 by their HCF.

Find the point on the Euclidean plane where the curve y = 2x² - 2x + 9 has 2 as gradient.

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. Ann decides she will give herself a reward
when she has swum a total of 400 lengths. After how many sessions does she get her reward?

Paul and his friend, Peter went to buy an article costing ₦600. Peter had 10% of the cost and Paul, 40% of the remainder. How much did they have altogether?

Given the list of numbers {1, 6, 3, 9, 16, 11, 2, 9, 5, 7, 12, 13, 8}, what is the median?

What is the slope of the line that is perpendicular to y - 2x = 1?

A frustum of a pyramid is 3cm square at the top and 6cm square at the bottom and is 5cm high. The volume in cm³ of the frustum is

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

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?

Two dice are thrown. What is the probability that the sum of the two numbers obtained is greater than 10?

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

In a class, 120 students speak English or French or both. 70 speak English and 55 speak French. How many speak English but not French?

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

What is the length of an arc of a circle with a radius of 5 if it subtends an angle of 60° at the center?

The sum of the first 20 terms of the progression 3, 6, 12, ... is

A company employs 100 people, 65 of whom are men. 60 people including all the women are paid weekly. The number of the men that are paid weekly is