MATHS QUIZ NO. 21 FIND THE MISSING NUMBER

1. 1, 3, 6, 10, 15, 21, 28, _______ 36
2. 0, 1, 1, 2, 3, 5, 8, 13, 21, 34, _______ 55
3. 2, 6, 12, 20, 30, 42, 56, _______ 72
4. 1, 2, 6, 24, 120, _______ 720
5. 1/4, 0, 1, -3, 13, -51, 205, _______ -819
6. 1, 2, 10, 37, 101, _______ 226
7. 7, 26, 63, 124, _______, 342 215
8. 2, 5, 17, 65, _______, 1025 257
9. 361, 289, _______, 169, 121 225
10. 1, 10, 11, 100, 101, 110, 111, _______ 1000
2. 0, 1, 1, 2, 3, 5, 8, 13, 21, 34, _______ 55
3. 2, 6, 12, 20, 30, 42, 56, _______ 72
4. 1, 2, 6, 24, 120, _______ 720
5. 1/4, 0, 1, -3, 13, -51, 205, _______ -819
6. 1, 2, 10, 37, 101, _______ 226
7. 7, 26, 63, 124, _______, 342 215
8. 2, 5, 17, 65, _______, 1025 257
9. 361, 289, _______, 169, 121 225
10. 1, 10, 11, 100, 101, 110, 111, _______ 1000