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?

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

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?

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

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

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?

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?

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

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

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

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

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

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

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?

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

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

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

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?

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

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

How many small boxes will fit inside the big box?

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

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

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...

What is the last digit in this calculation involving powers?

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

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

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

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

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?

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?

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

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?

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

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?

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!

Find the missing distance in this diagram with two isosceles triangles

A vine is growing up a pole. Can you find its length?

A square has area 72 cm$^2$. Find the length of its diagonal.

Can you find the shortest distance between the semicircles given the area between them?

How many different ways can I arrange the CDs in my collection?

What is the largest number of intersection points that a triangle and a quadrilateral can have?

If some of the audience fell asleep for some of this talk, what was the average proportion of the talk that people heard?

Find the value of $m$ from these statements about a group of numbers

Can you find the gradients of the lines that form a triangle?

Can you find the total number of students in the school, given some information about ratios?

If you take a number and add its square to its cube, how often will you get a perfect square?

From the information given, can you work out how long Roberto drove for after putting petrol in his car?

On which of the hare's laps will she first pass the tortoise?

What average speed should Ms Fanthorpe drive at to arrive at work on time?

How long will it take one man and two dogs to dig 15 holes?

How much of the inside of this triangular prism can Clare paint using a cylindrical roller?

A circle of radius 1 is inscribed in a regular hexagon. What is the perimeter of the hexagon?

Two ribbons are laid over each other so that they cross. Can you find the area of the overlap?

Yesterday, at Ulaanbaatar market, a white elephant cost the same amount as 99 wild geese. How many wild geese cost the same amount as a white elephant today?

The area of the small square is $\frac13$ of the area of the large square. What is $\frac xy$?