Multiplying two numbers whose first figures are same and last figures add upto ten using Vedic Mathematics

Posted: September 16, 2012 in Mathematics
Tags: , , , , ,

Formula:

Na * Nb = (N+1) * N(a *b) where a + b = 10

Example:

54 * 56 = (5 +1) * 5(4 * 6)=(6 * 5)(4 * 6)= 3024

62 * 68 =(6+1) * 6(2 * 8)=(7 * 6 )(2 * 8)= 4216

Explanation:

If the tens digit of the two numbers is same and the unit digits add up to 10 then increment the number and multiply it with the value before incremented and multiply the unit digits .

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