Lining up & Interval( Week 27 Evaluation) 1. There are 23 students lining up in a row. Counting from one end, Martha is at the 12th place. At which place will Martha be if counting from the other end of the row? 2. Students are lining up in a row. There are 9 students on Jane's left and 10 students are on Jane's right. How many students are there in the row? 3. There are 10 rungs on a ladder. Edward is on the 2nd rung and Emily is on the 7th 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 3 students on Sofia's right and 4 students on David's left and 8 students between Sofia and David. How many students are on Sofia's left? 5. There are 16 students lining up in a row. There are 5 students on Jane's left and 4 students on Ed's right. How many students are between Jane and Ed? 6. There are 16 students standing in a cycle. Anne and Nick are among them. There are 7 students between Anne and Nick if counting from her left side. How many students are between Anne and Nick 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 Jackson's left and 8 students between Alice and Jackson. How many students are in the row? 8. All students are lining up in a row. There are 3 students on Nancy's right and 3 students on Curtis's left and 10 students between Nancy and Curtis. How many students are on Curtis's right? 9. There are 17 students lining up in a row. There are 5 students on Jay's right, how many more students are on Jay's left than on his right? 10. A group of students stand in a cycle. Helen and Ed are among them. If Helen starts to count from her right side and counts herself as the 1st one, then Ed is the 5th students. If she starts to count from her left side and count herself as the 1st one, then Ed is the 13th students. How many students are there in total? |