1. 100, 52, 28, 16, 10, ?
1) 5 2) 7 3) 8 4) 9
సమాధానం: 2
వివరణ:
2. 8, 12, 18, 27, ?
1) 36 2) 44 3) 37 
4) 40
సమాధానం: 4
3. 4, 8, 12, 24, 36, ?
1) 72 2) 48 3) 60 4) 144
సమాధానం: 1
4. 242, 393, 4164, ?
1) 5525 2) 5255 3) 5235 4) 5325
సమాధానం: 2
5. 3917, 3526, ?, 2857
1) 3174 2) 3389 3) 2682 4) 3082
సమాధానం: 1
6. 4, 7, 14, 24, 41, ?
1) 71 2) 68 3) 72 4) 51
సమాధానం: 2
వివరణ: (4 + 7) + 3 = 14
(4 + 14) + 3 = 24
(14 + 24) + 3 = 41
(24 + 41) + 3 = 68
8. 6, 18, 54, ?, 486, 1458
1) 164 2) 160 3) 168 4) 162
సమాధానం: 4
వివరణ: 6 ∗´ 3 = 18
18 ∗´ 3 = 54
54 ´∗ 3 = 162
162 ´∗ 3 = 486
9. 3/2, 9/4, 3, ?, 4.5, 21/4
1) 14/5 2) 3.2 3) 16/5 4) 3
సమాధానం: 1
10. 2311, 4529, ?, 8989
1) 7243 2) 6353 3) 5662 4) 6755
సమాధానం: 4
11. 2, 5, 10, 17, 26, ?
1) 49 2) 47 3) 37 4) 36
సమాధానం: 4
12. 3, 5, 35, 10, 12, 35, ...., ....
1) 19, 35 2) 17, 19 3) 19, 24 4) 22, 35
సమాధానం: 2
13. 3917, 3526, ......, 2857
1) 3174 2) 8389 3) 2682 4) 3082
సమాధానం: 1
ప్రాక్టీస్ ప్రశ్నలు
1. 0, 0, 3, 7, 8, 26, 15, ?
1) 40 2) 48 3) 63 4) 65
2. 3, 20, 63, 144, 275, ?
1) 554 2) 548 3) 468 4) 354
3. 1, 2, 2, 4, 8, ?
1) 24 2) 9 3) 32 4) 36
4. 1, 2, 4, 7, 13, 24, 44, ?
1) 81 2) 69 3) 62 4) 46
5. 3, 6, 9, 15, 24, 39, 63, ?
1) 100 2) 84 3) 102 4) 99
6. 2807,1400, 697, 346, 171, 84, 41, ?
1) 22 2) 19 3) 20 4) 21
7. 2, 10, 60, 420, 3360, ?
1) 30440 2) 30240 3) 30220 4) 30420
8. 2, 8, 26, ?
1) 81 2) 80 3) 132 4) 321
9. 4, 2, 2, 3, 6, 15, ?
1) 35 2) 40 3) 45 4) 50
సమాధానాలు: 13; 23; 33; 41; 53; 63; 72; 82; 94.
