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

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

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

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

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

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

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

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

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

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

Which of the following is the formula for range?

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

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

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?

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

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

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

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?

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 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.

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?

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

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

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

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

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

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

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

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

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?

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

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?

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

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.

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

A class of all possible subsets of space S is called

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

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