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This is a demo of Math Olympiad 4. Your next practice questions in a specific program will be specially tailored for you as the system learns from your previous practices!
1. A and B are two different numbers selected from consecutive numbers starting from 2 to 8 inclusive. What is the largest value of ? 2. Laura had 24 pennies and Edward had 44 pennies at the beginning. Laura gave of her pennies to Edward, and Edward gave of all the pennies he then had to Laura. After that, how many more pennies did Edward have than Laura? 3. A contest contains 20 questions. The contest was graded by giving 6 points for each correct answer and deducting 3 points for each incorrect answer. Ed attempted all 20 questions leaving no question unanswered and scored a total of 75 points. How many wrong answers did Ed get? 4. Ed and Ben are biking around a round trail which is 6 miles long. Ed bikes at 10 mph and Ben bikes at 8 mph. If both start from the same place and ride in the same direction, how long (in hours) will it take for them to meet again? 5. There are 9 people in a team. If they will shake hands with each other only once during a meeting, how many handshakes will be made in total? 6. The weight of a box is the same as 5 pounds plus the weight of of the box. How many pounds does the box weigh? 7. If a number is divisible by 6 and 8, is the number also divisible by 48 for sure? 8. The sum of the ages of Emily and Alice is 16, the sum of the ages of Emily and Anne is 17 and the sum of the ages of Alice and Anne is 17. How old is Emily? 9. You have 6 one-cent stamps and 3 five-cent stamps. Using at least one stamp from each type, how many different amounts of postage can you make? 10. John needs 1 hour to do a certain job while George can do the same job in hour. How many minutes will it take them to do the job together?
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