Lining up & Interval( Week 27 Evaluation) 1. There are 30 students lining up in a row. Counting from one end, Susan is at the 25th 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 12 students on Susan's left and 2 students are on Susan's right. How many students are there in the row? 3. There are 12 rungs on a ladder. Susan is on the 2nd rung and Eric is on the 5th rung. How many rungs are there between Susan and Eric excluding the ones that they are on? 4. All students are lining up in a row. There are 2 students on Martha's right and 3 students on Josh's left and 12 students between Martha and Josh. How many students are on Martha's left? 5. There are 19 students lining up in a row. There are 2 students on Jane's left and 3 students on Larry's right. How many students are between Jane and Larry? 6. There are 19 students standing in a cycle. Martha and Ed are among them. There are 7 students between Martha and Ed if counting from her left side. How many students are between Martha and Ed in counting from her right side? 7. All students are lining up in a row. There are 3 students on Alice's right and 3 students on Jay's left and 8 students between Alice and Jay. How many students are in the row? 8. All students are lining up in a row. There are 5 students on Alice's right and 5 students on Smith's left and 6 students between Alice and Smith. How many students are on Smith's right? 9. There are 19 students lining up in a row. There are 5 students on Andy's right, how many more students are on Andy's left than on his right? 10. A group of students stand in a cycle. Alice and Larry are among them. If Alice starts to count from her right side and counts herself as the 1st one, then Larry is the 3rd students. If she starts to count from her left side and count herself as the 1st one, then Larry is the 18th students. How many students are there in total? |