How to done pagination in table view??

My problem is a i am doing this using tableview delegate(scrollviewdidscroll:) but when i am scroll down next object is reload but then scroll up same object r shown in first page which is shown in last page. I am using static array any store this object are store in a mutable array.

I have to show per Page 10 elements.

If 14 element first page shown 10 element and next page shown 4 element.

In my program first page show 10 element but next page show 14 element and then first page is also shown 14 element.

I am using xcode 6.1

How i am solve this problem?? thanks in advance..