Lining up & Interval( Week 27 Evaluation) 1. There are 20 students lining up in a row. Counting from one end, Sofia is at the 12th place. At which place will Sofia be if counting from the other end of the row? 2. Students are lining up in a row. There are 10 students on Susan's left and 2 students are on Susan's right. How many students are there in the row? 3. There are 15 rungs on a ladder. Emily is on the 3rd rung and John is on the 13th rung. How many rungs are there between Emily and John 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 2 students on Ben's left and 9 students between Sofia and Ben. How many students are on Sofia's left? 5. There are 19 students lining up in a row. There are 6 students on Nancy's left and 4 students on Josh's right. How many students are between Nancy and Josh? 6. There are 17 students standing in a cycle. Jane and Larry are among them. There are 11 students between Jane and Larry if counting from her left side. How many students are between Jane and Larry in counting from her right side? 7. All students are lining up in a row. There are 5 students on Helen's right and 2 students on Jay's left and 10 students between Helen and Jay. How many students are in the row? 8. All students are lining up in a row. There are 5 students on Nancy's right and 4 students on Smith's left and 9 students between Nancy and Smith. How many students are on Smith's right? 9. There are 16 students lining up in a row. There are 5 students on Kevin's right, how many more students are on Kevin's left than on his right? 10. A group of students stand in a cycle. Mary and Ed are among them. If Mary starts to count from her right side and counts herself as the 1st one, then Ed is the 4th 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? |