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3 ×4 = 25, 5 × 6 = 61, 6 × 7 = 85 എങ്കിൽ 9 × 10 = ?

A109

B910

C181

D190

Answer:

C. 181

Read Explanation:

3 × 4 = 25 ( = 3² + 4²) 5 × 6 = 61 (= 5² + 6²) 6 × 7 = 85 (= 6² + 7²) 9 × 10 = 9² + 10² = 81+100 =181


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