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Cryptarithmetic problems - eLitmus

Ayush Agarwal | 13:24 | 3 comments

Rules for solving Cryptarithmetic Problems

Each Letter or Symbol represents only one digit throughout the problem
When letters are replaced by their digits,the resultant arithmetical operation must be correct.
Our aim is to find the value of each letter. 
No two letters represent the same digit (If A = 2, B cannot be 2 and so on).
Number can't begin with 0
Rules are:
1. 0 * n = 0
2. 1 * n = n
3. 5 * odd number = x5
     like 5 * 1 = 05 (x = 0)
     5 * 3 = 15 (x = 1)
     5 * 7 = 35 (x = 3)
     5 * 9 = 45 (x = 4)

4. 5 * even number = always 0

  like   5 * 2 = 0
          5 * 4 = 0
          5 * 6 = 0
          5 * 8 = 0

5.. even number * 6 = (x)(even number) where x can be 1/2/4
     like 2 * 6 = 12 (x = 1)
     4 * 6 = 24 (x = 2)


     8 * 6 = 35 (x = 4)

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3 comments:

  1. So nicely explained......thanks for this

    ReplyDelete
  2. I AM NEW TO THESE CONCEPT EVEN I DIDNT KNOW BASICS...SO TO GET THE GOOD KNOWLEDGE IN THESE WHICH SITE CAN I REFER?

    ReplyDelete
    Replies
    1. You can go through youtube or go through elitmuszone

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