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

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

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

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

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

No of children: 0, 1, 2, 3, 4, 5, 6
No of families: 7, 11, 6, 7, 7, 5, 3
Find the mode and median respectively of the distribution above.

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

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?

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

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

The ______ is the value you calculate when you want the arithmetic average.

Find the distance between points A(-4, 5) and B(-3, 2).

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

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

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

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?

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

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

Statistics is a set of tools whose proper use will _______ the decision maker.

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

If y = 5cos(-6x), dx/dy is

A ladder resting on a vertical wall makes an angle whose tangent is 2.5 with the ground. If the distance between the foot of the ladder and the wall is 60 cm, what is the length of the ladder?

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

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

One of these is a demerit of a sample

A is the point (1, 5), B is the point (4, 7) and C is the point (5, 2). Triangle ABC is

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?

Which of the following is the formula for range?

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

If x and y represent the mean and the median respectively of the following marks of students in a Mathematics test; 11, 12, 13, 14, 15, 16, 17, 18, 19, 21. Find x/y correct to 1 decimal place.

The graph of cumulative frequency distribution is called

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

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

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

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

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

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

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?

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?

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