Lining up & Interval( Week 27 Evaluation) 1. There are 21 students lining up in a row. Counting from one end, Sofia is at the 6th place. At which place will Sofia be if counting from the other end of the row? 2. Students are lining up in a row. There are 12 students on Niconia's left and 4 students are on Niconia's right. How many students are there in the row? 3. There are 10 rungs on a ladder. Ben is on the 1st rung and Jennifer is on the 6th rung. How many rungs are there between Ben and Jennifer excluding the ones that they are on? 4. All students are lining up in a row. There are 3 students on Alice's right and 5 students on Joe's left and 8 students between Alice and Joe. How many students are on Alice's left? 5. There are 20 students lining up in a row. There are 2 students on Julia's left and 4 students on Eric's right. How many students are between Julia and Eric? 6. There are 17 students standing in a cycle. Mary and George are among them. There are 4 students between Mary and George if counting from her left side. How many students are between Mary and George in counting from her right side? 7. All students are lining up in a row. There are 3 students on Julia's right and 3 students on Jay's left and 11 students between Julia and Jay. How many students are in the row? 8. All students are lining up in a row. There are 3 students on Jennifer's right and 2 students on Steve's left and 9 students between Jennifer and Steve. How many students are on Steve's right? 9. There are 20 students lining up in a row. There are 4 students on David's right, how many more students are on David's left than on his right? 10. A group of students stand in a cycle. Martha and Josh are among them. If Martha 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 15th students. How many students are there in total? |