If \(2k + 1\), 13 and \(5k - 3\) are three consecutive terms of an A.P., then \(k = \)
A. \(4\)
B. \(3\)
C. \(5\)
D. \(2\)
A. \(4\)
B. \(3\)
C. \(5\)
D. \(2\)
Best answer
Answer: A. \(4\)
For an A.P., \(2 \times 13 = (2k + 1) + (5k - 3) \Rightarrow 26 = 7k - 2 \Rightarrow k = 4\).
Log in or create a free account to answer this question.