## Quantitative Aptitude for SBI PO, SBI Clerk, IBPS, RBI, LIC, SSC, RRB Exams

Here is the list of cubes of first 20 natural numbers and squares of first 30 natural numbers. By learning these it will be easy and will help you solve questions in exams faster. Most importantly these are useful to figure out the logic behind the number series problems.

### Cubes of first 20 natural numbers

1. 1 cube = 1
2. 2 cube = 8
3. 3 Cube = 27
4. 4 cube = 64
5. 5 cube = 125
6. 6 cube = 216
7. 7 cube = 343
8. 8 cube = 512
9. 9 cube = 729
10. 10 cube = 1000
11. 11 cube = 1331
12. 12 cube = 1728
13. 13 cube = 2197
14. 14 cube = 2744
15. 15 cube = 3375
16. 16 cube = 4096
17. 17 cube = 4913
18. 18 cube = 5832
19. 19 cube = 6859
20. 20 cube = 8000

### Squares of first 30 natural numbers

1. 1 square = 1
2. 2 square = 4
3. 3 square = 9
4. 4 square = 16
5. 5 square = 25
6. 6 square = 36
7. 7 square = 49
8. 8 square = 64
9. 9 square = 81
10. 10 square = 100
11. 11 square = 121
12. 12 square = 144
13. 13 square = 169
14. 14 square = 196
15. 15 square = 225
16. 16 square = 256
17. 17 square = 289
18. 18 square = 324
19. 19 square = 361
20. 20 square = 400
21. 21 square = 441
22. 22 square = 484
23. 23 square = 529
24. 24 square = 576
25. 25 square = 625
26. 26 square = 676
27. 27 square = 729
28. 28 square = 784
29. 29 square = 841
30. 30 square = 900