1. 4, 8, 16, 32, 64, .............

Answer: 2) 128

2. 5, 13, 29, .............., 125

Answer : 4) 53

3. 8, 24, 48, 80, ..............

Answer : 4) 120

4. 67, 56, 45, 34, ..............

Answer : 1) 23

5. 84, 87, 91, 96, ................

Answer : 3) 102

6. 15, 18, 23, 30, ...............

Answer : 4) 39

7. 4, 12, 36, 108, ................

Answer : 2) 324

8. 240, 120, 60, .............., 15

Answer : 4) 30

9. 897, 786, 675, ..............., 453

Answer : 1) 564

10. 97, 76, .............., 34, 13

Answer : 3) 55

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