How many bytes are there in one megabyte?

77 is multiplied by another two-digit number with identical digits. What is the product?

Can you find the volume of a cuboid, given the areas of its faces?

Three numbers add up to 100. The difference between the larger two is 12 and the difference between the smaller two is 2. What are the numbers?

Find 4 numbers which have a mean of 7, a median of 8 and a mode of 9.

How many cubes would be visible in a 12 by 12 by 12 Rubik’s cube?

How many hot dogs did this hot dog lover eat on the first day of her binge?

How many different bunches of flowers can this class buy for their teacher?

If two of these unusually numbered dice are thrown, how many different sums are possible?

What is the difference between the sum of the first 2014 odd numbers and the sum of the first 2014 even numbers?

The net shown is folded up to form a cube. What is the largest possible vertex product?

Amy misread a question and got an incorrect answer. What should the answer have be?

How fast is the train travelling as it goes over the bridge?

The water is being drained from a pool. After how long will the depth of the pool be 144 cm?

Can you find the area of the overlap when these two beer mats are placed on top of each other?

When is the next time that Brian's age will be the reverse of his father's age?

A ball is dropped from a height, and every time it hits the ground, it bounces to 3/5 of the height from which it fell.

Use 2 straight lines to split the clock face into 3 parts so that the sums of the numbers in each of the parts are equal.

Given information about the mean, can you work out the missing numbers?

At a party, each man danced with exactly three women, and each woman danced with exactly two men. If 12 men attended the party, how many women attended?

Can you find the missing digits in this calculation?

Find these 4 numbers, given their mode, median and range.

Can you find the missing digits, given that the number is divisible by 3, 4, 5 and 6?

What fraction of this square is shaded?

At the beginning and end of Alan's journey, his milometer showed a palindromic number. Can you find his maximum possible average speed?

What happens to the average if you subtract 8 from all of the numbers?

Can you work out what fraction of this grid is shaded?

How many students are in the maths club and the science club?

Can you find the height of the water in this tilted tank when it is flat?

Given this information about averages, find the ages of these teachers.

Can you work out how many brothers and sisters are in the family?

The space on a number line between a sixth and a twelfth is split into 3 equal parts. Find the number indicated.

Use the relationship between the elephant and the rabbit to find out how many carrots the rabbit eats in a day

The average temperature of six cities is 5$^\circ$C. What is the average temperature when two cities are added?

Jane accidentally multiplied by 54 instead of 45, and her answer was 198 too big. What number did she multiply 54 by?

Can you work out the area of a square drawn on a diagonal?

A square is divided into three shapes which all have equal areas. Can you find the length of this side?

Sara makes a list of the whole numbers that do not contain any 9s. What is the 300th number on her list?

How many lattice points are there in the first quadrant that lie on the line 3x + 4y = 59 ?

Can you find the area between this graph and the x-axis, between x=3 and x=7?

Can you arrange the red and blue cards so that the rules are all followed?

How many barleycorns are there in one inch?

What is the probability that the next person you meet has an above average number of arms?

Every member of the club is a member of two committees. How many members are there in the club?

How many small boxes will fit inside the big box?

Which faces are opposite each other when this net is folded into a cube?

Can you find the volume of a cuboid, given its perimeters?

What is the largest possible number of yellow tiles in this pattern?

This tiled floor has 109 purple tiles. How many tiles are there altogether?

Can you find the next time that the 29th of February will fall on a Monday?

Use this series of fractions to find the value of x.

25 of the storeys of a 50 storey building are painted gold, and the rest are painted black...

How long will it take Mary and Nigel to wash an elephant if they work together?

What is the last digit in this calculation involving powers?

Find the area of the triangle enclosed by these lines.

What is the angle between the the hands of a clock at 8:24?

Find the sum of all of the angles denoted by letters in this diagram

A solid metal cone is melted down and turned into spheres. How many spheres can be made?

Kevin has moved some tiles to change the shape of his patio from a square to a rectangle. What are the lengths of the sides of the rectangle?

Find the perimeter of this shape made of semicircles

What is the ratio of the area of the hexagon to the area of the triangle?

A coin is flipped 4 times. What is the probability of getting heads at least 3 times?

What is this sum, expressed as a power of 2?

What is the smallest possible area that this rectangle could have?

What is the smallest possible perimeter of the larger triangle described?

Can you find the sum of all of the numbers in the table?

The area of a rectangle is 225 square units. Find its width.

What power of 27 is needed to get the correct power of 3?

The top square has been rotated so that the squares meet at a 60$^\text{o}$ angle. What is the area of the overlap?

Find the missing distance in this diagram with two isosceles triangles

If the base and height of a triangle are increased by different percentages, what happens to its area?

6 tiles are placed in a row. What is the probability that no two adjacent tiles have the same letter on them?

What is the ratio of the areas of the squares in the diagram?

A palm tree has snapped in a storm. What is the height of the piece that is still standing?

These strange dice are rolled. What is the probability that the sum obtained is an odd number?

Can you find the radius of the circle inscribed inside a '3-4-5 triangle'?

For how many integers 𝑛 is the difference between √𝑛 and 9 is less than 1?

If two girls each take a sweet from each other's bags, what is the probability that they end up with what they started with?

Can you work out the radius of a circle from some information about a chord?

Which of these options is closest to this square root?

There are 20 black socks and some white socks in a drawer. Can you work out how many of the socks are white?

Find the shortcut to do this calculation quickly!