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Problem Of The Week
Problem of the Week - 13
February 13, 2019
Matthew had 740 stickers and he was able to give them away equally among his classmates. His class had between 30 to 40 pupils. How many more stickers would Matthew need if he wanted to give each classmate 25 stickers instead?
- ISMC (International Singapore Maths Competition) Grade 5
Problem of the Week - 12
January 21, 2019
An old woman goes to market and a horse steps on her basket and crashes the eggs. The rider offers to pay for the damages and asks her how many eggs she had brought. She does not remember the exact number, but when she had taken them out two at a time, there was one egg left. The same happened when she picked them out three, four, five, and six at a time, but when she took them seven at a time they came out even. What is the smallest number of eggs she could have had?
- posed by Brahmagupta (born 598 AD)
Problem of the week - 2
March 03, 2018
On her first day of work, Janabel sold one widget. On day two, she sold three widgets. On day three, she sold five widgets, and on each succeeding day, she sold two more widgets than she had sold on the previous day. How many widgets in total had Janabel sold after working 20 days?
Source - AMC8 2015, Problem 9
Problem of the week - 1
February 24, 2018
A bowl has 100 pieces of colored candy. 48 green, 30 red, 12 yellow and 10 blue. They are all wrapped in foil, so you do not know the color of any piece of candy. Write the least number of pieces you must take to be certain that you have at least 15 pieces of the same color?
Source: MOEMS (Math Olympiad) problem
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