Test: Arithmetic Series I - Normal

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Question 1:   The initial term of an arithmetic progression is   a 1 =3   and difference   d=0.3  .  Find   a 11 .
6.3
0
5.7
6
Question 2:   Arithmetic progression is given by formula   a n =10n   .  Find   a 4 .
6
2,5
5
14
Question 3:   Find the difference   d   of an arithmetic series if   a 1 =6, a 8 =50 .
8
7
7
8
Question 4:   Find the initial term of an arithmetic series   a n  ,  if   a 15 =20   and the common difference   d=0.5 .
13
12.5
12.5
13
Question 5:   Find the formula of the nth term of an arithmetic series   a n :   3,5,7,9...   (-3 is the initial term).
a n =52n
a n =2n5
a n =2n1
a n =2n5
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