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If 3 x 4 = 25, 5 x 6 = 61, 6 x 7 = 85, then 9 x 10?

A109

B910

C181

D190

Answer:

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 = 181


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