Lining up & Interval( Week 27 Evaluation) 1. There are 21 students lining up in a row. Counting from one end, Helen is at the 11th 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 12 students on Susan's left and 3 students are on Susan's right. How many students are there in the row? 3. There are 16 rungs on a ladder. George is on the 3rd rung and Anne is on the 4th rung. How many rungs are there between George and Anne excluding the ones that they are on? 4. All students are lining up in a row. There are 5 students on Nancy's right and 4 students on Josh's left and 8 students between Nancy and Josh. How many students are on Nancy's left? 5. There are 20 students lining up in a row. There are 4 students on Jane's left and 5 students on Smith's right. How many students are between Jane and Smith? 6. There are 17 students standing in a cycle. Emily and Ben are among them. There are 8 students between Emily and Ben if counting from her left side. How many students are between Emily and Ben in counting from her right side? 7. All students are lining up in a row. There are 5 students on Laura's right and 4 students on Josh's left and 7 students between Laura and Josh. How many students are in the row? 8. All students are lining up in a row. There are 3 students on Susan's right and 4 students on Andy's left and 7 students between Susan and Andy. How many students are on Andy's right? 9. There are 18 students lining up in a row. There are 5 students on David's right, how many more students are on David's left than on his right? 10. A group of students stand in a cycle. Alice and Larry are among them. If Alice starts to count from her right side and counts herself as the 1st one, then Larry is the 6th students. If she starts to count from her left side and count herself as the 1st one, then Larry is the 13th students. How many students are there in total? |