Math Olympiad 3( Week 41 Quiz 8) 1. Michael plans to plant trees along the 20-meter long road side in front of his shop. At most how many trees can be planted along the road if a 2-meter distance between every two trees is required? 3. Among the members of a family, 4 of them like football, 4 of them like basketball, and 3 of them like both football and basketball. At least how many people in the family? 4. Suppose 2 cats catch 2 fish in 2 days. How many cats will catch 100 fish in 100 days 5. Anne started to read a book from the first page. She has read 8 pages each day for 6 days. Which page will she start to read for the 7th day? 6. You can make 6 two-digit numbers using 3, 4 and 8. What is the difference between the biggest number and the smallest number? 7. Michael is trying to attach a rod into to a round window with a radius of 21 inches. What is the longest rod (in inches) that can be attached to the window? (The rod is not allowed to extend outside the window) 8. A snack costs 56 cents. If you want to pay it with coins, at least how many pennies are there in the coins? 9. Find the area in square unit for the following rectangle if each grid is one unit. 10. What is the largest possible remainder of (X ÷ 5) ? (X is a whole number). 11. Ed had 17 pencils and Helen had 8 times as many as Ed. How many pencils did Helen have? 12. The area of a square garden is 256 square feet. What is the length of each side of the garden (in feet)? 13. The distance from Jennifer's house to Josh's house is 450 meters. The distance from Josh's house to a playground is 1200 meters. What is the shortest possible distance (in meters) from Jennifer's house to the playground? 14. The length of a rectangle is twice its width. If the perimeter is 12 inches, what is the area of the rectangle(in square inches)? 15. There were a total of 64 beads. Mary divided them into 2 equal piles, and then sold one pile on the first day. On the second day, she again divided the remaining beads into 2 equal piles, and then sold one pile. On the third day, she again divided the remaining beads into 2 equal piles, and then sold one pile. How many beads are left after the third day? |