Lining up & Interval( Week 27 Evaluation) 1. There are 22 students lining up in a row. Counting from one end, Mary is at the 5th place. At which place will Mary be if counting from the other end of the row? 2. Students are lining up in a row. There are 12 students on Martha's left and 2 students are on Martha's right. How many students are there in the row? 3. There are 10 rungs on a ladder. Mary is on the 2nd rung and Richard is on the 9th rung. How many rungs are there between Mary and Richard excluding the ones that they are on? 4. All students are lining up in a row. There are 4 students on Jennifer's right and 3 students on Tom's left and 7 students between Jennifer and Tom. How many students are on Jennifer's left? 5. There are 20 students lining up in a row. There are 2 students on Alice's left and 2 students on Ed's right. How many students are between Alice and Ed? 6. There are 15 students standing in a cycle. Morgan and John are among them. There are 4 students between Morgan and John if counting from her left side. How many students are between Morgan and John in counting from her right side? 7. All students are lining up in a row. There are 5 students on Julia's right and 5 students on Larry's left and 6 students between Julia and Larry. How many students are in the row? 8. All students are lining up in a row. There are 3 students on Laura's right and 2 students on Jay's left and 10 students between Laura and Jay. How many students are on Jay's right? 9. There are 18 students lining up in a row. There are 6 students on Steve's right, how many more students are on Steve's left than on his right? 10. A group of students stand in a cycle. Alice and John are among them. If Alice starts to count from her right side and counts herself as the 1st one, then John is the 9th students. If she starts to count from her left side and count herself as the 1st one, then John is the 11th students. How many students are there in total? |