1. 3, 7, 10, 17, .................

Answer: 3) 27

2. 31, 24, 17, 10, ..............

Answer : 4) 3

3. 2, 10, 26, 58, ................

Answer : 2) 122

4. 3, 9, 27, 81, ..................

Answer : 4) 243

5. 48, 24, ................ , 6, 3.

Answer : 2) 12

6. 574, 463, 352, 241, ..............

Answer : 1) 130

7. 103, 223, 343, 463, .............

Answer : 4) 583

8. 2, 4, 12, 48, ................

Answer : 4) 240

9. 3, 13, 33, 73, ...............

Answer : 3) 153

10. 165, 110, 65, 30, ...........

Answer : 1) 5

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