331; 482, 551; 263, 383, 362, 284; 331; 482, 551; 263; 383, 362, 284;
A. 263
B. 383
C. 331
D. 551
Answer:B
331; 482, 551; 263, 383, 362, 284; 331; 482, 551; 263; 383, 362, 284;
A. 263 B. 383 C. 331 D. 551
Explanation: Except for 383, the middle number is the product of the first and third digits