What is the LCM of 6th and 7th term in an = 3n + 2?

by

(A) 330
(B) 460
(C) 560
(D) 690

🧠 Explanation (Math):

Given: aₙ = 3n + 2; find LCM of 6th and 7th terms
Step 1: a₆ = 3×6 + 2 = 20; a₇ = 3×7 + 2 = 23
Step 2: LCM(20, 23) = 20 × 23 = 460 (since 23 is prime)
Final Answer: 460