###
**If k, 2k – 1 and 2k + 1 are three consecutive terms of an AP, the value of k is.**

A. -2
B. 3
C. -3
D. 6
**Answer: Option B**

## Show Answer

Solution(By Apex Team)

(2K – 1) – K = (2K + 1) – (2K – 1)
2K – 1 – K = 2
⇒ K = 3

## Related Questions On Progressions

### How many terms are there in 20, 25, 30 . . . . . . 140?

A. 22B. 25

C. 23

D. 24

### Find the first term of an AP whose 8th and 12th terms are respectively 39 and 59.

A. 5B. 6

C. 4

D. 3

### Find the 15th term of the sequence 20, 15, 10 . . .

A. -45B. -55

C. -50

D. 0

### The sum of the first 16 terms of an AP whose first term and third term are 5 and 15 respectively is

A. 600B. 765

C. 640

D. 680