Lining up & Interval( Week 27 Evaluation) 1. There are 28 students lining up in a row. Counting from one end, Alice is at the 21st place. At which place will Alice be if counting from the other end of the row? 2. Students are lining up in a row. There are 9 students on Hillary's left and 2 students are on Hillary's right. How many students are there in the row? 3. There are 13 rungs on a ladder. Nancy is on the 2nd rung and David is on the 9th rung. How many rungs are there between Nancy and David excluding the ones that they are on? 4. All students are lining up in a row. There are 2 students on Martha's right and 2 students on Eric's left and 10 students between Martha and Eric. How many students are on Martha's left? 5. There are 15 students lining up in a row. There are 5 students on Mary's left and 2 students on Ben's right. How many students are between Mary and Ben? 6. There are 18 students standing in a cycle. Sofia and Michael are among them. There are 6 students between Sofia and Michael if counting from her left side. How many students are between Sofia and Michael in counting from her right side? 7. All students are lining up in a row. There are 3 students on Susan's right and 3 students on Kevin's left and 12 students between Susan and Kevin. How many students are in the row? 8. All students are lining up in a row. There are 2 students on Sofia's right and 5 students on Josh's left and 9 students between Sofia and Josh. How many students are on Josh's right? 9. There are 17 students lining up in a row. There are 5 students on Josh's right, how many more students are on Josh's left than on his right? 10. A group of students stand in a cycle. Emily and Curtis are among them. If Emily starts to count from her right side and counts herself as the 1st one, then Curtis is the 9th students. If she starts to count from her left side and count herself as the 1st one, then Curtis is the 8th students. How many students are there in total? |