Sequence… | NUST Entrance Test Mathematics

MM

Mashaal Masha

Sep 29, 2022

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

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