Choose the correct options for the following questions.
If $S_{n}=3n^{n}+2n$ in an arithmetic series, then first three terms of the sequence is
Difficulty: Easy
A:
5,11,17
B:
5,3,21
C:
5,9,13
D:
5,15,25
The $a_{4}$ of the (a)P: 3/4,2, 13/4.....is
Difficulty: Easy
A:
23/4
B:
12
C:
7
D:
9/2
The 7th term of the (a)P. 7,11,15 is
Difficulty: Easy
A:
24
B:
31
C:
26
D:
23
Premium content
Sign in and upgrade to continue reading.