New Enroll here to Join NaBFID Analyst Into Class on May 6

    Question

    If 74 × 35 = 3, 35 × 13 = 4, 54 × 42 = 3, then 78 ×

    44 =? 
    A 3 Correct Answer Incorrect Answer
    B 5 Correct Answer Incorrect Answer
    C 7 Correct Answer Incorrect Answer
    D 9 Correct Answer Incorrect Answer

    Solution

    (7 + 4) – (3 + 5) = 11 – 8 = 3 (3 + 5) – (1 + 3) = 8 – 4 = 4 (5 + 4) – (4 + 2) = 9 – 6 = 3 (7 + 8) – (4 + 4) = 15 – 8 = 7

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