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    Question

    Select the set of numbers that is similar to the

    following set of numbers. (7, 42, 84)
    A (6, 30, 60) Correct Answer Incorrect Answer
    B (5, 20, 45) Correct Answer Incorrect Answer
    C (11, 121, 242) Correct Answer Incorrect Answer
    D (10, 80, 160) Correct Answer Incorrect Answer

    Solution

    The logic followed in the given set (7, 42, 84) is: The second number is obtained by squaring the first number and then subtracting the first number: The third number is obtained by multiplying the second number by 2. Checking the Given Set (7, 42, 84) First number = 7 Second number = 7² - 7 = 49 - 7 = 42 Third number = 42 x 2 = 84 Applying the same logic to A (6, 30, 60) → (6² - 6) x 2 → (36 – 6) x 2 → 30 x 2 = 60. B (5, 20, 45) → (5² - 5) x 2 → (25 – 5) x 2 → 20 x 2 = 40. C (11, 121, 242) → (11² - 11) x 2 → (121 – 11) x 2 → 110 x 2 = 220. D (10, 80, 160) → (10² - 10) x 2 → (100 – 10) x 2 → 90 x 2 = 180.

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