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