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    Question

    What will come in place of question mark (?) in the following questions?

    (30 × 0.80)⁴ ÷ (2160 ÷ 60)⁴

    × (54 × 16)⁴ = (6 × 4)?+5
    A 7 Correct Answer Incorrect Answer
    B 4 Correct Answer Incorrect Answer
    C 6 Correct Answer Incorrect Answer
    D 5 Correct Answer Incorrect Answer
    E 3 Correct Answer Incorrect Answer

    Solution

    244/364 × (24 × 36)4 = (6 × 4)?+5 (24)4 × (24)4 = (6 × 4)?+5 (24)8 = (24)?+5 ? + 5 = 8 ? = 8 – 5 = 3

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