Correct option is D
Pattern:
· Subtract the first number from the last number, and multiply the result by 3 to the middle number:
· For 243 (222) 317: 317 - 243 = 74.
· 74 × 3 = 222
· Apply the same logic for 548 (?) 621: 621 - 548 = 73.
· 73 × 3 = 219.
Final Answer: (d) 219