Q. Direction: In each of the following questions, a series is given, with one terms missing. Choose the correct alternatives from the given ones that will complete the series. 7, 2 = 59; 5, 3 = 28; 9, 1 = 810; 2, 1 = 13; 5,4 = ?

• A. 239
• B. 19
• C. 20
• D. 9

Correct Answer: B