Question

    [√ (121.23) ÷ √

    (12100.04)] × √ 80.95 = 3/10 + ? ÷ 4 What approximate value will come in place of question mark (?) in the given equations?
    A 10 Correct Answer Incorrect Answer
    B 11/3 Correct Answer Incorrect Answer
    C 12/5 Correct Answer Incorrect Answer
    D 17 Correct Answer Incorrect Answer
    E 25/7 Correct Answer Incorrect Answer

    Solution

    [√ (121.23) ÷ √ (12100.04)] × √ 80.95 = 3/10 + ? ÷ 4 [√ (121) ÷ √ (12100)] × √ 81 = 3/10 + ? ÷ 4 => (11/110) × 9 = 3/10 + ?/4 => (1/10) × 9 = 3/10 + ?/4 => 9/10 = 3/10 + ?/4 => 6/10 = ?/4 => ? = 12/5

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