Tuesday, December 23, 2008

VEDIC MATHS :Numbers with same first digits

Multiply two numbers with same first digits and sum of second digit numbers is ten.
If you want to multiply two numbers like 47 x 43 then
(4 x 5) | (7x3) = 20|21 = 2021
We are multiplying the common first digit number with one number more ie , 4 with 5 in this case and concatenating the last digits multiplied with this.