Lining up & Interval( Week 27 Evaluation) 1. There are 21 students lining up in a row. Counting from one end, Hillary is at the 16th place. At which place will Hillary be if counting from the other end of the row? 2. Students are lining up in a row. There are 8 students on Sofia's left and 9 students are on Sofia's right. How many students are there in the row? 3. There are 12 rungs on a ladder. Eric is on the 3rd rung and Mary is on the 5th rung. How many rungs are there between Eric and Mary excluding the ones that they are on? 4. All students are lining up in a row. There are 5 students on Martha's right and 4 students on David's left and 8 students between Martha and David. How many students are on Martha's left? 5. There are 19 students lining up in a row. There are 6 students on Alice's left and 6 students on Josh's right. How many students are between Alice and Josh? 6. There are 16 students standing in a cycle. Susan and Curtis are among them. There are 4 students between Susan and Curtis if counting from her left side. How many students are between Susan and Curtis in counting from her right side? 7. All students are lining up in a row. There are 2 students on Alice's right and 4 students on Jay's left and 9 students between Alice and Jay. How many students are in the row? 8. All students are lining up in a row. There are 5 students on Emily's right and 4 students on George's left and 9 students between Emily and George. How many students are on George's right? 9. There are 20 students lining up in a row. There are 3 students on Michael's right, how many more students are on Michael's left than on his right? 10. A group of students stand in a cycle. Jane and Tom are among them. If Jane starts to count from her right side and counts herself as the 1st one, then Tom is the 9th students. If she starts to count from her left side and count herself as the 1st one, then Tom is the 12th students. How many students are there in total? |