Math Olympiad 4( Week 36 Quiz 7) 1. Determine which of the following number(s) are divisible by 9. Type the number(s) in the blank, and separate each number with a comma if necessary. 4. X and Y are positive integers and X is larger than Y. If the remainder of (X ÷ Y) is 2, what is the smallest possible dividend X? 5. Maple trees planted around a square garden are one meter apart. There are 48 maple trees in total with a tree at each corner. What is the length of each side of the garden (in meters)? 6. What is the multiple of 11 between 400 and 499 inclusively with the largest digits sum? 7. Ed is 6 times the age of Jane who is 7 years older than Ben. If the total age of the three is 65, how old is Ben? 8. Nancy is 4 times the age of David who is 9 years younger than Susan. If the total age of the three is 81, how old is Susan? 9. The perimeter of a square is 44 inches. What is its area (in square inches)? 10. Martha is twice as old as Edward was 4 years ago. Martha will be 14 years old after 4 years. How old is Edward this year? 11. The circumference of a tire is 84 inches. How many complete turns will the tire roll in one mile (1 mile = 63,360 inches) on the ground? 12. If you cut a square (6 × 6) into half, what is the smallest possible sum for the perimeters of the two halves? 13. Julia has a total of 11 $5 and $100 bills with a total value of $625. How many $5 bills does Julia have? 14. Jennifer has a total of 18 $20 and $50 bills with a total value of $570. How many $50 bills does Jennifer have? 15. Nancy has a total of 18 $20 and $100 bills with a total value of $1000. How many $20 bills does Nancy have? |