Counting Problems( Week 33 Practice)
1. There are 10 rungs on a ladder. Ben is on the 3rd rung and Jennifer is on the 8th rung. How many steps is Ben apart from Jennifer? 2. A team T-shirts are numbered from 7 to 27 consecutively. All the even number T-shirts are assigned to group A and all the odd number T-shirts are assigned to group B. How many people are there in group A? 3. It will take a clock 2 seconds to chime twice. How many seconds will it take to chime 10 times? (Assume that each chiming itself does not take any time). 4. Cut a strip of wire into 15 pieces. How many cuts need to be made? 5. A group of students lined up. There are 8 students ahead of Smith, and 8 students behind him. How many students are there together?