Lining up & Interval( Week 27 Evaluation) 1. There are 19 students lining up in a row. Counting from one end, Mary is at the 7th 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 8 students on Susan's left and 6 students are on Susan's right. How many students are there in the row? 3. There are 13 rungs on a ladder. Richard is on the 3rd rung and Julia is on the 9th rung. How many rungs are there between Richard and Julia excluding the ones that they are on? 4. All students are lining up in a row. There are 2 students on Morgan's right and 3 students on Smith's left and 11 students between Morgan and Smith. How many students are on Morgan's left? 5. There are 18 students lining up in a row. There are 2 students on Martha's left and 6 students on Ben's right. How many students are between Martha and Ben? 6. There are 19 students standing in a cycle. Alice and John are among them. There are 6 students between Alice and John if counting from her left side. How many students are between Alice and John in counting from her right side? 7. All students are lining up in a row. There are 2 students on Martha's right and 4 students on Ben's left and 11 students between Martha and Ben. How many students are in the row? 8. All students are lining up in a row. There are 4 students on Helen's right and 4 students on Eric's left and 10 students between Helen and Eric. How many students are on Eric's right? 9. There are 18 students lining up in a row. There are 4 students on Jackson's right, how many more students are on Jackson's left than on his right? 10. A group of students stand in a cycle. Niconia and Jay are among them. If Niconia starts to count from her right side and counts herself as the 1st one, then Jay is the 4th students. If she starts to count from her left side and count herself as the 1st one, then Jay is the 16th students. How many students are there in total? |