In this section, we are going to study another special method of multiplication where a number is multiplied with another number containing all digits equal to “9”, i.e. 99, 999 and so on.

**Vedic Sutra: **

*Ekanyunena Purvena (By One Less than the Previous One)*
**Nikhilam Navatascaramam Dasatah (All from 9 and the Last from 10)**

The product of the two numbers can be easily computed in two parts.

- The first part of the answer is: the number being multiplied by 9’s is first reduced by 1.
- The second part of the answer is: then “All From 9 and the Last From 10” is applied to the number being multiplied.

Let us understand this with an example:

**42 x 99 = ?**

523 x 999 = ?

Let us practice more:

a 69 × 99 b 72 × 99 c 26 × 99

d 35 × 99 e 758 × 999 f 6754 × 9999

g 77 × 999 h 134 × 9999 i 9889 × 99999

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