The correct answer is C
66, 17, 81, ?, 100, -21
72, 216, 54, 270, ?, 315
What will be the value of 'R + S' in the series: 'Q', 'R', 60, 'S', 240, 'P + 6Q'
15, 15, 45, 225, ?, 14175
14, 17, 23, 32, ?, 59
13, 91, 108, 756, ?, 5411
9 10 36 333 ? 132825
...55, 71, 119, 199, 311, ?
123, 122, 114, 87, ?, -102
8 24 48 144 288 ?
...
