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    Question

    √2401 × (√2116 ÷ 23) × 21 ÷ 3 =

    ? What will come in the place of question mark (?) in the given expression?
    A 606 Correct Answer Incorrect Answer
    B 655 Correct Answer Incorrect Answer
    C 686 Correct Answer Incorrect Answer
    D 620 Correct Answer Incorrect Answer
    E 672 Correct Answer Incorrect Answer

    Solution

    √2401 × (√2116 ÷ 23) × 21 ÷ 3 = x x = 49 × (46 ÷ 23) × 21 ÷ 3 x = 49 × 2 × 7 x = 686

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