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.| | 34 | 477 | 7158 | 79335 | 904104 | 1104825 |
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 28 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. Alice is 4 times the age of George who is 9 years older than Anne. If the total age of the three is 63, how old is Anne? 8. Josh is 5 times the age of Hillary who is 6 years younger than Rene. If the total age of the three is 62, how old is Rene? 9. The perimeter of a square is 52 inches. What is its area (in square inches)? 10. Jennifer is twice as old as Andy was 5 years ago. Jennifer will be 11 years old after 5 years. How old is Andy 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 (6 × 6) into half, what is the smallest possible sum for the perimeters of the two halves? 13. Niconia has a total of 14 $5 and $100 bills with a total value of $355. How many $5 bills does Niconia have? 14. Mary has a total of 19 $20 and $50 bills with a total value of $650. How many $50 bills does Mary have? 15. Emily has a total of 14 $20 and $100 bills with a total value of $520. How many $20 bills does Emily have? |