Question

    The given equation has been solved on the basis of a

    certain rule. Find the correct answer for the unsolved equation on that basis: If a ÷ b = (a + b) ÷ (a – b) then (8 ÷ 4) × (14 ÷ 7)
    A 11 Correct Answer Incorrect Answer
    B 14 Correct Answer Incorrect Answer
    C 21 Correct Answer Incorrect Answer
    D 9 Correct Answer Incorrect Answer

    Solution

    (8 ÷ 4) × (14 ÷ 7)  = [(8+4)÷(8-4)] × [(14+7)÷(14-7)]  = [ 12÷4] × [ 21÷7] = 3 × 3 = 9

    Practice Next

    Relevant for Exams: