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    Question

    144 (1/2) × 14 – 28 = 7 ×

    ?  What will come in the place of question mark (?) in the given expression?
    A 40 Correct Answer Incorrect Answer
    B 20 Correct Answer Incorrect Answer
    C 35 Correct Answer Incorrect Answer
    D 50 Correct Answer Incorrect Answer

    Solution

    144(1/2) × 14 – 28 = 7 × ? 12 × 14 – 28 = 7 × ? 168 – 28 = 7 × ? 140 = 7 × ? ? = (140 ÷ 7) ? = 20

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