Lining up & Interval( Week 27 Evaluation) 1. There are 20 students lining up in a row. Counting from one end, Susan is at the 8th place. At which place will Susan be if counting from the other end of the row? 2. Students are lining up in a row. There are 10 students on Alice's left and 5 students are on Alice's right. How many students are there in the row? 3. There are 16 rungs on a ladder. Eric is on the 1st rung and Mary is on the 8th rung. How many rungs are there between Eric and Mary excluding the ones that they are on? 4. All students are lining up in a row. There are 4 students on Mary's right and 3 students on Ed's left and 6 students between Mary and Ed. How many students are on Mary's left? 5. There are 18 students lining up in a row. There are 2 students on Susan's left and 2 students on Nick's right. How many students are between Susan and Nick? 6. There are 20 students standing in a cycle. Mary and Josh are among them. There are 13 students between Mary and Josh if counting from her left side. How many students are between Mary and Josh in counting from her right side? 7. All students are lining up in a row. There are 4 students on Martha's right and 2 students on Richard's left and 7 students between Martha and Richard. How many students are in the row? 8. All students are lining up in a row. There are 2 students on Alice's right and 5 students on Jay's left and 9 students between Alice and Jay. How many students are on Jay's right? 9. There are 15 students lining up in a row. There are 3 students on Jay's right, how many more students are on Jay's left than on his right? 10. A group of students stand in a cycle. Julia and Josh are among them. If Julia starts to count from her right side and counts herself as the 1st one, then Josh is the 6th students. If she starts to count from her left side and count herself as the 1st one, then Josh is the 12th students. How many students are there in total? |