Directions: Select the missing number from the given alternatives: 5 3 6 7 20 ? 9 21 17 38 ? 47

Step-by-step solution

Pattern of the following table is: 5 × 9 – 7 = 45 – 7 = 38 Similarly, 21 × 3 – 20 = 63 – 20 = 43 17 × 6 – 55 = 47 5 3 6 7 20 55 9 21 17 38 43 47 Hence, option D is correct.