Base and Purakha are fundamental concept for Vedic Mathematics. They are required in many Vedic Maths methods.
Base – Vedic Maths
10, 20, 30, 40….., 100, 200, 300, 400,……..1000, 2000…. and so on are called as Base. Base of numbers are as below:
| Number | Base |
| 1-9 | 10 |
| 11-19 | 20 |
| 21-29 | 30 |
| 31-39 | 40 |
| .….so on | …… |
| 91-99 | 100 |
| 101-199 | 200 |
| 201-299 | 300 |
| …. so on | …. |
Purakha – Vedic Maths
Purakha of a number is the difference of that number and the base of that number. Like for a given number 4, the base is 10 and purakha is 6 i.e. difference of 10 (base) and 4 (number).
Read – Important Antonyms for Competitive Exams (विपरीतार्थक शब्द)
Following are the some example to understand Base & Purakha:
| Number | Base | Purakha |
| 7 | 10 | 3 |
| 25 | 30 | 5 |
| 32 | 40 | 8 |
| 67 | 70 | 3 |
| 98 | 100 | 2 |
| 150 | 200 | 50 |
| 224 | 300 | 76 |
| 580 | 600 | 20 |
| 687 | 700 | 13 |
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