general math MCQ #1384

In the sequence a_n = 3n+2, what is the LCM of the 6th and 7th terms? (Note: the symbol _ indicates subscript) Arithmetic Progression

general math MCQ #1384

  1. Question 1

    Q1. In the sequence a_n = 3n+2, what is the LCM of the 6th and 7th terms? (Note: the symbol _ indicates subscript) Arithmetic Progression

    • A) 360
    • B) 460
    • C) 520
    • D) 620

    Answer: 460

    Explanation: 6th term = 3(6)+2 = 20; 7th term = 3(7)+2 = 23; LCM(20,23) = 460.