Vasudha UddavanApr 1, 20181 minMath Competition Problems Problem of the Week - 6How many 2-digit odd numbers are greater than 30? Source: MOEMS (Math Olympiad) Grades 4-6 This can be easily solved if we make an...
Vasudha UddavanMar 18, 20181 minMath Competition Problems - Problem of the week - 4"Janine's number has 3 digits. One digit is a prime number; another is a square number; the third is neither prime nor square. The number...