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Question

Using Urdhav Triyak Sutra calculate  23× 12=?
  1. 276
  2. 286
  3. 296
  4. 266


Solution

The correct option is A 276
       2            3 
   x  1            2
_________________
2x1 / 2x2 + 3x1 / 3x2
2            7              6        23× 12=276

1. Multiply the digits at one's place. Thus (3 x 2 = 6) and write it at the unit place of the product.
2. Cross multiply and add the products. Thus (2 x 2 + 3 x 1 = 7). Write it at ten's place.
3. Multiply the last digits (here the digits at ten's place). Thus (2 x 1 = 2). Write it at hundred's place.

 

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