Lining up & Interval( Week 27 Evaluation) 1. There are 18 students lining up in a row. Counting from one end, Sofia is at the 10th 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 8 students on Laura's left and 3 students are on Laura's right. How many students are there in the row? 3. There are 10 rungs on a ladder. Jane is on the 3rd rung and Ben is on the 7th rung. How many rungs are there between Jane and Ben excluding the ones that they are on? 4. All students are lining up in a row. There are 3 students on Jennifer's right and 2 students on George's left and 13 students between Jennifer and George. How many students are on Jennifer's left? 5. There are 16 students lining up in a row. There are 5 students on Laura's left and 2 students on Edward's right. How many students are between Laura and Edward? 6. There are 17 students standing in a cycle. Susan and Smith are among them. There are 7 students between Susan and Smith if counting from her left side. How many students are between Susan and Smith in counting from her right side? 7. All students are lining up in a row. There are 3 students on Hillary's right and 2 students on Richard's left and 12 students between Hillary and Richard. How many students are in the row? 8. All students are lining up in a row. There are 2 students on Helen's right and 4 students on Curtis's left and 8 students between Helen and Curtis. How many students are on Curtis's right? 9. There are 20 students lining up in a row. There are 4 students on Andy's right, how many more students are on Andy's left than on his right? 10. A group of students stand in a cycle. Martha and Eric are among them. If Martha starts to count from her right side and counts herself as the 1st one, then Eric is the 2nd students. If she starts to count from her left side and count herself as the 1st one, then Eric is the 17th students. How many students are there in total? |