Question

The common difference of the $A.P:5,3,1,-1,\dots$ is

• A. $-2$
• B. $2$
• C. $-1$
• D. $3$

Answer 1

The correct option is A $-2$

Common difference of an $A.P$ is equal to difference between the consecutive terms of the sequence,

$d=3-5$

$=-2$

Hence, option $A$ is the correct answer.