The logic followed here is: Product of the number at height and hypotenuse + number at the base = number inside the triangle. D1: (11 × 9) + 20 and 99 + 20 = 119 D2: (14 × 7) + 10 and 98 + 10 = 108 Similarly, D3: (13 × 8) + 30 and 104 + 30 = 134 Hence, “134” is the correct answer.