Lining up & Interval( Week 27 Evaluation) 1. There are 27 students lining up in a row. Counting from one end, Helen is at the 6th place. At which place will Helen be if counting from the other end of the row? 2. Students are lining up in a row. There are 8 students on Niconia's left and 7 students are on Niconia's right. How many students are there in the row? 3. There are 15 rungs on a ladder. Susan is on the 1st rung and Eric is on the 12th rung. How many rungs are there between Susan and Eric excluding the ones that they are on? 4. All students are lining up in a row. There are 2 students on Anne's right and 4 students on Eric's left and 11 students between Anne and Eric. How many students are on Anne's left? 5. There are 20 students lining up in a row. There are 2 students on Jessica's left and 4 students on Nick's right. How many students are between Jessica and Nick? 6. There are 20 students standing in a cycle. Emily and Curtis are among them. There are 4 students between Emily and Curtis if counting from her left side. How many students are between Emily and Curtis in counting from her right side? 7. All students are lining up in a row. There are 2 students on Helen's right and 4 students on Steve's left and 11 students between Helen and Steve. How many students are in the row? 8. All students are lining up in a row. There are 4 students on Susan's right and 4 students on Jay's left and 5 students between Susan and Jay. How many students are on Jay's right? 9. There are 20 students lining up in a row. There are 6 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. Mary and Josh are among them. If Mary starts to count from her right side and counts herself as the 1st one, then Josh is the 3rd students. If she starts to count from her left side and count herself as the 1st one, then Josh is the 18th students. How many students are there in total? |