-
What's the Shaded Area?
-
The Magic-Number Ring
-
What's the Percentage Change?
-
The "E" Puzzle
-
Who Became the Governor?
-
Fifty Coins and Five Bags
-
Make the Mathematical Sentence Correct
-
Balance Your Scales
-
Two Motorists on a Journey
-
Which is Longer?
-
The Missing Sum
-
Balloons for Free
-
Percentage Trickies
-
How Many Paths Are There?
-
Sale of Magazines
-
Digitlock
-
Find the Missing Numbers
-
The Baffling 100
-
A Mathematical Pattern
-
The Empty Squares
-
A Magic Star
-
A Magic Square
-
A Number Puzzle
-
What's the Area?
-
How Long Is the Train?
-
The Average Score
-
Scores on a Dashboard
-
The Odd One Out
-
The Missing Sums
-
Keyboard Players
-
When Will They Cut Their Hair Again?
-
Strange Symbols
-
What's the Number?
-
Making Statements True
-
The Lowest Possible Score
-
What's the Difference?
-
The Missing Cubes
-
Grouping Numbers
-
The Great Singapore Sale
-
How Many Chickens and Sheep Are There?
-
Digging the Trench Together
-
A Baffling Angle
-
Rabbits and Hutches
-
How Far Apart?
-
How Many Triangles?
-
How Many Boys and Girls?
-
A Geometrical Quickie
-
When Will the Faster Driver Overtake the Slower Driver?
-
Number Thrills
-
How Far Are the Browns from the Tangs?
-
What Are Our House Numbers?
-
Distance Travelled by Boris, Major and Wells
-
My Three Daughters and I
-
A Five-digit Number
-
The Largest Possible Perimeter
-
What's the Average Score?
-
More Number Thrills
-
How Many Pages Are There?
-
The Forgetful Owner
-
How Many Kilometers Apart?
-
Dissecting the Numbers
-
A Game of Cards
-
The Odd One Out
-
What Number Am I?
-
Restore the Magic Numbers
-
What Comes Next?
-
Overlapping Areas
-
Fours 1s, Four 9s and Five 5s
-
What's the Average Speed?
-
What Percentage of the Square is Shaded?
-
A Pool Three-quarter Full
-
What's the Second Number
-
How Many Correct Answers?
-
How Many Handshakes?
-
Who Are the Better Workers?
-
When Do They Meet?
-
The Seventh Street
-
A Family of Five
-
How Many Small Marbles?
-
How Many Serve On Only One Committee?
-
When Must the Car Leave Town A?
-
How Long Would the Lawn Be Mown?
-
How Much Is the Adult's Fare?
-
Gauss' Mathematical Quickie
-
Find the Speed of the Faster Car
-
How Many Routes?
-
Christmas Light-up
-
What Are My A, B and C?
-
Number Sequence
-
Magic Polygons
-
An Incomplete Multiplication
-
How Many Palindromes?
-
Grouping Numbers
-
Building Squares
-
Take a Walk
-
Time to Bathe
-
A Triangle Puzzle
-
A Question of Space
-
In a Restaurant
-
Value Your Symbols
-
A Symbols Puzzle
-
How Many Ways?
-
Multiples of Four
-
What's the Number?
-
A Number Trick
-
Making a Square
-
Find the Missing Number
-
The Odd One Out
-
How Heavy Is Each Solid?
-
How Large?
-
Concentric Squares
-
Fly Away Balloons
-
Page Numbers
-
Breaking Up Is Hard To Do
-
Birthday Cake
-
Cheers!
-
The Famous 3-4-5 Right-angle Triangle
Hints
Answers/Solution