Lining up & Interval( Week 27 Evaluation) 1. There are 28 students lining up in a row. Counting from one end, Sofia is at the 15th 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 Julia's left and 5 students are on Julia's right. How many students are there in the row? 3. There are 13 rungs on a ladder. David is on the 1st rung and Susan is on the 13th rung. How many rungs are there between David and Susan excluding the ones that they are on? 4. All students are lining up in a row. There are 3 students on Mary's right and 3 students on John's left and 9 students between Mary and John. How many students are on Mary's left? 5. There are 19 students lining up in a row. There are 5 students on Susan's left and 6 students on Edward's right. How many students are between Susan and Edward? 6. There are 20 students standing in a cycle. Nancy and Joe are among them. There are 12 students between Nancy and Joe if counting from her left side. How many students are between Nancy and Joe in counting from her right side? 7. All students are lining up in a row. There are 4 students on Martha's right and 4 students on Tom's left and 5 students between Martha and Tom. How many students are in the row? 8. All students are lining up in a row. There are 2 students on Susan's right and 4 students on Jackson's left and 10 students between Susan and Jackson. How many students are on Jackson's right? 9. There are 18 students lining up in a row. There are 4 students on Joe's right, how many more students are on Joe's left than on his right? 10. A group of students stand in a cycle. Emily and Smith are among them. If Emily starts to count from her right side and counts herself as the 1st one, then Smith is the 6th students. If she starts to count from her left side and count herself as the 1st one, then Smith is the 16th students. How many students are there in total? |