Lining up & Interval( Week 27 Evaluation) 1. There are 21 students lining up in a row. Counting from one end, Laura is at the 13th place. At which place will Laura be if counting from the other end of the row? 2. Students are lining up in a row. There are 9 students on Sofia's left and 8 students are on Sofia's right. How many students are there in the row? 3. There are 16 rungs on a ladder. Ed is on the 3rd rung and Jane is on the 9th rung. How many rungs are there between Ed and Jane excluding the ones that they are on? 4. All students are lining up in a row. There are 3 students on Niconia's right and 4 students on Larry's left and 7 students between Niconia and Larry. How many students are on Niconia's left? 5. There are 18 students lining up in a row. There are 6 students on Jessica's left and 5 students on George's right. How many students are between Jessica and George? 6. There are 17 students standing in a cycle. Julia and Michael are among them. There are 10 students between Julia and Michael if counting from her left side. How many students are between Julia and Michael in counting from her right side? 7. All students are lining up in a row. There are 2 students on Morgan's right and 2 students on Smith's left and 13 students between Morgan and Smith. How many students are in the row? 8. All students are lining up in a row. There are 4 students on Julia's right and 4 students on George's left and 10 students between Julia and George. How many students are on George's right? 9. There are 16 students lining up in a row. There are 3 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. Niconia and George are among them. If Niconia starts to count from her right side and counts herself as the 1st one, then George is the 12th students. If she starts to count from her left side and count herself as the 1st one, then George is the 6th students. How many students are there in total? |