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 7, what is the smallest possible dividend X? 5. Maple trees planted around a square garden are one meter apart. There are 36 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 700 and 799 inclusively with the largest digits sum? 7. Alice is 8 times the age of George who is 8 years older than Anne. If the total age of the three is 142, how old is Anne? 8. George is 6 times the age of Anne who is 4 years younger than Kevin. If the total age of the three is 60, how old is Kevin? 9. The perimeter of a square is 44 inches. What is its area (in square inches)? 10. Helen is 3 times as old as Larry was 4 years ago. Helen will be 16 years old after 4 years. How old is Larry this year? 11. The circumference of a tire is 94 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 (3 × 3) into half, what is the smallest possible sum for the perimeters of the two halves? 13. Hillary has a total of 18 $5 and $100 bills with a total value of $660. How many $5 bills does Hillary have? 14. Martha has a total of 16 $20 and $50 bills with a total value of $440. How many $20 bills does Martha have? 15. Laura has a total of 17 $20 and $100 bills with a total value of $740. How many $100 bills does Laura have? |