Question Detail
Question
The 7th term of an arithmetic progression is 35, and the 3rd term is 19. What is the common difference?
Correct Answer
Option A is the correct answer.
Detailed Explanation
a₇ = a + 6d = 35, a₃ = a + 2d = 19. Subtract: 4d = 16 ⇒ d = 4.
Hint
The notes indicate answer A.