SingaporeMath.com Inc

Brain Maths Volume 2 is a series of two volumes which contain a wide selection of mathematical and logical problems that help one to develop one's critical and logical thinking skills.

Recommended for readers of 11 years old and above, Brain Maths Volume 2 aims not only to increase one's IQ power, but also to develop one's mental flexibility.  

extract from the preface of Brain Maths (with permission from the publishers).

Brain Maths Volume 2

1. What's the Shaded Area?
2. The Magic-Number Ring
3. What's the Percentage Change?
4. The "E" Puzzle
5. Who Became the Governor?
6. Fifty Coins and Five Bags
7. Make the Mathematical Sentence Correct
8. Balance Your Scales
9. Two Motorists on a Journey
10. Which is Longer?
11. The Missing Sum
12. Balloons for Free
13. Percentage Trickies
14. How Many Paths Are There?
15. Sale of Magazines
16. Digitlock
17. Find the Missing Numbers
18. The Baffling 100
19. A Mathematical Pattern
20. The Empty Squares
21. A Magic Star
22. A Magic Square
23. A Number Puzzle
24. What's the Area?
25. How Long Is the Train?
26. The Average Score
27. Scores on a Dashboard
28. The Odd One Out
29. The Missing Sums
30. Keyboard Players
31. When Will They Cut Their Hair Again?
32. Strange Symbols
33. What's the Number?
34. Making Statements True
35. The Lowest Possible Score
36. What's the Difference?
37. The Missing Cubes
38. Grouping Numbers
39. The Great Singapore Sale
40. How Many Chickens and Sheep Are There?
41. Digging the Trench Together
42. A Baffling Angle
43. Rabbits and Hutches
44. How Far Apart?
45. How Many Triangles?
46. How Many Boys and Girls?
47. A Geometrical Quickie
48. When Will the Faster Driver Overtake the Slower Driver?
49. Number Thrills
50. How Far Are the Browns from the Tangs?
51. What Are Our House Numbers?
52. Distance Travelled by Boris, Major and Wells
53. My Three Daughters and I
54. A Five-digit Number
55. The Largest Possible Perimeter
56. What's the Average Score?
57. More Number Thrills
58. How Many Pages Are There?
59. The Forgetful Owner
60. How Many Kilometers Apart?
61. Dissecting the Numbers
62. A Game of Cards
63. The Odd One Out
64. What Number Am I?
65. Restore the Magic Numbers
66. What Comes Next?
67. Overlapping Areas
68. Fours 1s, Four 9s and Five 5s
69. What's the Average Speed?
70. What Percentage of the Square is Shaded?
71. A Pool Three-quarter Full
72. What's the Second Number
73. How Many Correct Answers?
74. How Many Handshakes?
75. Who Are the Better Workers?
76. When Do They Meet?
77. The Seventh Street
78. A Family of Five
79. How Many Small Marbles?
80. How Many Serve On Only One Committee?
81. When Must the Car Leave Town A?
82. How Long Would the Lawn Be Mown?
83. How Much Is the Adult's Fare?
84. Gauss' Mathematical Quickie
85. Find the Speed of the Faster Car
86. How Many Routes?
87. Christmas Light-up
88. What Are My A, B and C?
89. Number Sequence
90. Magic Polygons
91. An Incomplete Multiplication
92. How Many Palindromes?
93. Grouping Numbers
94. Building Squares
95. Take a Walk
96. Time to Bathe
97. A Triangle Puzzle
98. A Question of Space
99. In a Restaurant
100. Value Your Symbols
101. A Symbols Puzzle
102. How Many Ways?
103. Multiples of Four
104. What's the Number?
105. A Number Trick
106. Making a Square
107. Find the Missing Number
108. The Odd One Out
109. How Heavy Is Each Solid?
110. How Large?
111. Concentric Squares
112. Fly Away Balloons
113. Page Numbers
114. Breaking Up Is Hard To Do
115. Birthday Cake
116. Cheers!
117. The Famous 3-4-5 Right-angle Triangle
     Hints
     Answers/Solution

---

Samples

All copyrights reserved by Marshall Cavendish International (S) Pte Ltd.