general math MCQ #760

What will be the least number which when doubled will be exactly divisible by 12, 18, 21 and 30?

general math MCQ #760

  1. Question 1

    Q1. What will be the least number which when doubled will be exactly divisible by 12, 18, 21 and 30?

    • A) 196
    • B) 630
    • C) 1260
    • D) 2520

    Answer: 630

    Explanation: LCM(12,18,21,30) = 1260; the least number that when doubled equals 1260 is 630.