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

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

Find the number of sides of a regular polygon whose interior angle is twice the exterior angle.

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.

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

Find the value of p, if the line which passes through (-1, p) and (-2p, 2) is parallel to the line 2y + 8x - 17 = 0.

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

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?

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?

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

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

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

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

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

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

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

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

The graph of cumulative frequency distribution is called

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

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?

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?

A _______ variation is one whose values convey the concept of attribute rather than number.

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

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?

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?

One of these is not a desirable feature of a good statistical table

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

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?

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

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

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?

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

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.

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

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

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

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