Lining up & Interval( Week 27 Evaluation) 1. There are 21 students lining up in a row. Counting from one end, Alice is at the 9th place. At which place will Alice be if counting from the other end of the row? 2. Students are lining up in a row. There are 8 students on Mary's left and 9 students are on Mary's right. How many students are there in the row? 3. There are 16 rungs on a ladder. Edward is on the 1st rung and Emily is on the 3rd rung. How many rungs are there between Edward and Emily excluding the ones that they are on? 4. All students are lining up in a row. There are 4 students on Sofia's right and 3 students on Jackson's left and 8 students between Sofia and Jackson. How many students are on Sofia's left? 5. There are 20 students lining up in a row. There are 3 students on Emily's left and 4 students on Curtis's right. How many students are between Emily and Curtis? 6. There are 19 students standing in a cycle. Martha and Andy are among them. There are 5 students between Martha and Andy if counting from her left side. How many students are between Martha and Andy in counting from her right side? 7. All students are lining up in a row. There are 5 students on Mary's right and 5 students on Tom's left and 8 students between Mary and Tom. How many students are in the row? 8. All students are lining up in a row. There are 3 students on Susan's right and 2 students on Steve's left and 13 students between Susan and Steve. How many students are on Steve's right? 9. There are 17 students lining up in a row. There are 5 students on Edward's right, how many more students are on Edward's left than on his right? 10. A group of students stand in a cycle. Anne and Smith are among them. If Anne starts to count from her right side and counts herself as the 1st one, then Smith is the 2nd students. If she starts to count from her left side and count herself as the 1st one, then Smith is the 15th students. How many students are there in total? |