The correct answer is A
10, 22, 46, ?, 130, 190
7 15 31 63 127 ?
...If2.53.5 x 30124625
Then, x ² - 1 - 2x = ?
...2 3 4 15 56 ?
...398 308 228 158 98 ?
7 14 42 168 840 ?
...2 3.5 11.5 44 192.5 988
9 a...
640 320 160 ? 40 20
5, 11, 32, 65, ?, 389
The number of terms in the sequence 5, 20, 80, 320,……………., 5120 is: