Answer variants:
15
7
23
−11
8
−9
−1
The fourth term of an \(A.P.\) is 15. The sum of the fifth and seventh terms of the \(A.P.\) is 62. Then answer the following.
 
i) The common difference \(d =\)
 
ii) The \(A.P\) is
,
,
,
..