1. A pile of logs has 38 pieces at the bottom, 36 pieces on top of the bottom pile. then 34 pieces and so on. If there are 990 pieces of logs, how many rows are there? D. 18 A. 15 B. 16 C. 17 2. How many multiples of 8 are there from 200 and 500? A. 36 B. 38 C. 40 D. 44 3. Five flowering plants are to be planted between two trees which are 24m apart. If the first tree is 4m away from the house, how far from the house is each of the plants? A. 8, 12, 16, 20, 24 B. 6, 12, 18, 24, 30 C. 4, 8, 12, 16, 20 D. 5, 10, 15, 20, 25 4. Using problem number 3, find the distance of each plant from the first tree. A. 8, 16, 24, 32, 40 C. 4, 8, 12, 16, 20 B. 6, 12, 18, 24, 30 D. 5, 10, 15, 20, 25 ​