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    Select the option that is related to the third number in the same way as the second number is related to the first number.89 : 178 :: 90 : ?
    Question

    Select the option that is related to the third number in the same way as the second number is related to the first number.
    89 : 178 :: 90 : ?

    A.

    270

    B.

    180

    C.

    45

    D.

    170

    Correct option is B

    Given: 89 : 178 :: 90 : ?
    Logic: First number × 2 = Second number
    89 × 2 = 178
    Apply this logic to 90:
    ​90 × 2 = 180
    Thus, the correct option is (b) 180

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