Previous Problems
May's Problem
Two dice are thrown. Find the probability that the product of the two numbers is a multiple of 10.
May 2018 Solution To Kyoodoz Problem Of The Month
April's Problem
A game of musical chairs is played in a group of 19 people. If one person is eliminated every round and the game ends when there is only one person left, how many rounds are needed to determine the winner?
April 2018 Solution To Kyoodoz Problem Of The Month
March's Problem
A train wants to travel 26 miles from Charleston to Deston at a rate of 65 mph. How long will the journey take?
March 2018 Solution To Kyoodoz Problem Of The Month
February's Problem
The sum of two page numbers is 149. What is the page number of the next page?
February 2018 Solution To Kyoodoz Problem Of The Month
January's Problem
Each square is worth 1/8. How many squares are there in 2 1/2?
January 2018 Solution To Kyoodoz Problem Of The Month
December's Problem
Camden wants to buy a lapel pin that was on sale for 50 cents. The following week, he returned to the store and was disappointed that the price of the pin had increased by 5000%. What is the new price of the pin?
December 2017 Solution To Kyoodoz Problem Of The Month
November's Problem
Roger can solve 9 puzzles in 45 seconds. Dan can solve 10 puzzles in 30 seconds. How much less time does Dan take to solve 1 puzzle?
November 2017 Solution To Kyoodoz Problem Of The Month
October's Problem
At a general store for office supplies, 2 pencils and 1 pen costs 22 cents while 5 pencils and 2 pens costs 49 cents. How much does 1 pencil plus 1 pen cost?
October 2017 Solution To Kyoodoz Problem Of The Month
September's Problem
At the beginning of the school term, students were asked to select 5 out of the 21 classic literature titles that they want to read. How many possible combinations of book titles can each student choose from?
September 2017 Solution To Kyoodoz Problem Of The Month
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