[Intl] Problem Sum No. 6: Glenda’s Money

Glenda had a sum of money. She gave 2/7 of her money and another $105 to her parents. Then she gave 4/9 of the remaining money to her brother. She had 1/3 of her original amount of money left. How much did she have at first? Asked by Mark (Email: mmar?????@yahoo.com) Date: 24 Sep 2015 Source: Posted via No Problem Sums contact form I was pleasantly surprised to receive a problem sum submitted via our contact form. Our website...

[Intl] Problem Sum No. 4: Prime Factorization

What prime numbers have the product of 111111? Asked by Rebecca C Date: 21 March 2013 Source: International School; Gifted Math Program, Grade 5 Variety is the spice of life. Without different things to do, we may just die of boredom. So it is the same with Mathematics — explore and learn about different Maths topics to keep interest in the subject alive. That’s my personal but serious opinion; tell me if you agree or disagree in the “Leave...