general math MCQ #198

H.C.F of 4 * 27 * 3125, 8 * 9 * 25 * 7 and 16 * 81 * 5 * 11 * 49 is___________?

general math MCQ #198

  1. Question 1

    Q1. H.C.F of 4 * 27 * 3125, 8 * 9 * 25 * 7 and 16 * 81 * 5 * 11 * 49 is___________?

    • A) 180
    • B) 360
    • C) 540
    • D) 1260

    Answer: 180

    Explanation: Expressing in prime factors: 2²×3³×5⁵ ; 2³×3²×5²×7 ; 2⁴×3⁴×5×7²×11; HCF = 2²×3²×5 = 180.