1. 37, 43, 49, ........................., 61

Answer: 3) 55

2. 1, 4, 16, ..............., 256

Answer : 4) 64

3. 960, 480, 240, 120, ..................

Answer : 2) 60

4. 3, 7, 10, 17, 27, ....................

Answer : 4) 44

5.27, 26, 23, 18, ......................

Answer : 3) 11

6. 3, 6, 18, 72, 360, .................

Answer : 2) 2160

7. 27, 37, 57, ................. 127

Answer : 2) 67

8. 9, 25, 49, ................., 121, 169

Answer : 2) 81

9. 987, 876, ................... 654, 543

Answer : 4) 675

10.847, 814, 781, 748, .................

Answer : 1) 715

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