New Enroll for RBI, SEBI & NABARD Intro Class! April 18 at 9:15 PM

    Question

    What should come in place of question mark (?) in the following  equatiion ?

    (2 ÷ 3) × (4 ÷ 12) × (? ÷ 10) × 45 × (1 ÷ 5) =

    (? ÷ 6) + (2 ÷ 5)
    A 15 Correct Answer Incorrect Answer
    B 12 Correct Answer Incorrect Answer
    C 20 Correct Answer Incorrect Answer
    D 10 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    2/3 × 4/12 × x/10 × 45 × 1/5 = x/6 + 2/5 (2 x)/10  = x/6 + 2/5  x/5 - x/6 = 2/5  (6x-5x)/30 = 2/5  x/6 = 2 ∴x = 12

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