The correct answer is C
21 24 22 25 23 ?
...324 972 486 1458 729 ?
...8 12 39 ? 180 216
...7 7 ? 43 163 831
...The question below is based on the given series I. The series I satisfy a certain pattern, follow the same pattern in series II and answer the questions...
135, 148, ?, 184, 207, 236
257, 399, 566, ?, 983, 1237
71, 94, 123, 154, 191, ?
72, 216, 54, 270, ?, 315
14, 20, ?, 50, 74, 104
