Question

If x-1,x+ 3, 3x - 1 are three consecutive terms in A.P, then x is equal to

A) 5
B) 8
C) 6
D) 4​

Answer 1

Answer:

D) 4

Step-by-step explanation:

We know that in an AP, the difference between any two terms is equal.

So, first let take 1st and 2nd term

x+3 - (x-1) = x+3 - x+1

= 4

Similarly lets take 2nd and 3rd term

3x-1 - (x+3) = 3x-1 - x-3

= 2x - 4

Now as the common difference is equal,

4 = 2x - 4

8 = 2x

4 = x

x = 4