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This is a demo of Math Olympiad 3. Your next practice questions in a specific program will be specially tailored for you as the system learns from your previous practices!
1. David has 3 more brothers than sisters. How many more brothers than sisters does his sister Hillary have? 2. Edward is the shortest. John is shorter than George and George is shorter than Kevin. Can you make the following conclusion that "John is shorter than Edward"? 3. Julia has 18 cards, and George has 22 cards. How many cards does George need to give Julia so that they have the same number of cards? 4. Sofia is 18 years old, and Richard is 9 years younger than Sofia. How old will Richard be when Sofia is 43 years old? 5. Figure out how the first two sets of numbers are related and then select the number from the choices to fill the question mark so that the third set of numbers have the same relationship as the first two sets. 6. Find all two-digit number(s) that equals twice the product of its digits. Separate each number with a comma if needed. 7. There is a string of beads. Counting by 8s, 4 more beads are needed; Counting by 9s, 5 more beads are needed. At least, how many beads are there in total? Note that the total number of beads is more than 8. 8. Nancy and Nick both have a certain number of the cards. The number of the cards that Nancy has is twice as what Nick has, and what Nancy has is 12 more cards than what Nick has. How many cards do they have respectively?(Separate the answers by a comma.) 9. If there are 5 Mondays within June in a year, which of the following can not be the last day of the month? 10. How many squares can you count from the figure below? (Note that each cell in the 2x3 grid is a square).
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