If 3 x 4 = 25, 5 x 6 = 61, 6 x 7 = 85, then 9 x 10?A109B910C181D190Answer: C. 181 Read Explanation: 3 x 4 = 25 = 3² +4² = 25 5 x 6 = 61=5² + 6² = 61 6 x 7 = 85= 6² + 7² = 85 Similarly 9 x 10 = 9²+10² = 181Read more in App