New Enroll in RBI Grade B New Batch - Starts on May 21

    Question

    Determine the HCF of 60, 90 and

    150
    A 55 Correct Answer Incorrect Answer
    B 38 Correct Answer Incorrect Answer
    C 25 Correct Answer Incorrect Answer
    D 30 Correct Answer Incorrect Answer

    Solution

    ATQ,

    60 = 2² × 3 × 5

    90 = 2 × 3² × 5

    150 = 2 × 3 × 5²

    So, required HCF = 2 × 3 × 5 = 30

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