New Enroll in RBI Grade B New Batch - Starts on May 21

    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 (16 ÷ 4) × (42 ÷ 7)
    A 3/7 Correct Answer Incorrect Answer
    B 5/3 Correct Answer Incorrect Answer
    C 11/3 Correct Answer Incorrect Answer
    D 7/3 Correct Answer Incorrect Answer

    Solution

    (16 ÷ 4) × (42 ÷ 7) = [(16+4)÷(16-4)] × [(42+7)÷(42-7)] = [20÷12] × [49÷35] = 20/12 × 49/35 = 7/3

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