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    Question

    Select the option that is related to the fifth number

    in the same way as the second number is related to first number and third number is related to fourth number. 15: 39 :: 84: 240 :: 54: ?
    A 154 Correct Answer Incorrect Answer
    B 153 Correct Answer Incorrect Answer
    C 143 Correct Answer Incorrect Answer
    D 137 Correct Answer Incorrect Answer

    Solution

    The pattern followed here is: AB: CD → CD = (AB X 3) - (A + B) 15: 39 → (15 X 3) - (1 + 5) = 45 – 6 = 39 84: 240 → (84 X 3) - (8 + 4) = 252 – 12 = 240 Similarly, in 54: ? ? = (54 X 3) - (4 + 5) ? = 162 – 9 = 153

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