Fill in the blanks in the following table, given that a is the first term, d the common difference and a_n the nth term of the AP :

S. No.	a	d	n	an
(i)	7	3	8	-----
(ii)	-18	----	10	0
(iii)	----	-3	18	-5
(iv)	-18.9	2.5	------	3.6
(v)	3.5	0	105	--------