Question

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

• A. 109
• B. 910
• C. 181
• D. 190

Answer 1

Answer:

C. 181

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