15, 31, 67, 131, ?, 375
15 + 42 = 31 31 + 62 = 67 67 + 82 = 131 131 + 102 = 231 231 + 122 = 375
512 493 476 ? 448 437
Choose the correct alternative
21: 3 ∷ 574: ?
7, 26, 238, 962, 8522, 34078
102 153 306 765 ? 8032.5
...5 18 44 83 135 200 ...
43 36 50 29 ? 22
...54 58 85 ? 226 262
...If 3 12 108 x 43200
Then, 47% of (x + 72)= ?
44 23 21 34.5 ? 167.5
...1 2 11 36 85 ?
...