1. 2, 3, 5, 7, 11, ?, 17

Answer: 2) 13

2. 5, 11, 17, ?, 31, 41

Answer : 3) 23

3. 7, 13, 21, ?, 43, 57

Answer : 3) 31

4. 3, 15, 35, ?, 99, 143

Answer : 1) 63

5. 2, 1, 2, 4, 4, 5, 6, 7, 8, 8, 10, 11, ?

Answer : 4) 12

6. 0, 7, 26, ?, 134, 215

Answer : 3) 63

7. 1, 1, 8, ?, 27, 9, 64

Answer : 1) 4

8. 2, 20, ?, 110, 182

Answer : 1) 56

9. 3, 8, 35, 48, ?, 120

Answer : 4) 99

10. 3, 6, 24, 30, 63, 72, ?, 132

Answer : 4) 120

Your score :