AIMO | Math Olympiad AIMO 2017 (Grade 9) – An Algebra Problem & Solution in image ByAnonymous Christian August 3, 2017August 1, 2018 
Number on Forehead Riddle ByAnonymous Christian April 15, 2016July 21, 2016 Since, (i) 30 – 20 = 10 (ii) 30 + 20 = 50 You either have 10…
Counting Problem: “How many dots in the n-th rectangle?” ByAnonymous Christian September 5, 2014July 22, 2016 Question •• 1st rectangle ••• ••• 2nd rectangle •••• •••• •••• 3rd rectangle ••••• ••••• ••••• ••••• 4th…
A Number Theory Problem: “How many numbers greater than 3000 can be formed from 1,2,3,4,5 without repeating any of them? How many will be even?” ByAnonymous Christian September 5, 2014July 22, 2016 Answer There are two type of numbers greater than 3000 that can be formed here namely, 4 digit…
Math Tuition Class Advertisement – Teacher Jonathan Ramachandran’s New Student Slots Available (18 July 2019) ByAnonymous Christian July 18, 2019July 22, 2019 School Math Home Tuition Type: At my residence or yours (flexible) Area: Kajang, Kuala Lumpur (anywhere),…
Sum of Digit of A where A is composed of Addends involving 9s Trick ByAnonymous Christian March 28, 2019 SASMO Question in Image below Solution 21) Notice that 9 = 10 – 1…