**Fundamental Rules**

1. | Each Variable should have unique and distinct value. |

2. | Each Letter, Symbol represents only one digit throughout the problem. |

3. | Numbers must not begin with zero i.e. 0123 (wrong) , 123 (correct). |

4. | You have to find the value of each letter in the Cryptarithmetic. |

5. | There must be only one solution to the problem. |

6. | The Numerical base, unless specifically stated , is 10. |

7. | After replacing letters by their digits, the resulting arithmetic operations must be correct. |

**Example of Cryptarithmetic Problem**

**Detailed Explanation**

1. | Suppose if you are considering A=2, then other variable in problem cannot have value equal to 2. i.e. In the given problem above, B≠2, M≠2, R≠2, Y≠2 etc. |

2. | You cannot take someplace A=2 and someplace A=3 in a single problem. i.e. If you are getting A=2 and A=3 in same problem, solution is wrong. |

3. | Numbers must not begin with zero.i.e. In the given problem above, Value of M≠0, B≠0. |

You might be interested in this article |

● Cryparithmetic Tutorial 02 |

● Cryptarithmetic Multiplication Problems |

● Introduction to Cryptarithmetic |

353*353

Well explained …feeling some confidence 🙂

353*353

353

353

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1059

1765

1059

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124609

B = 3

O = 5

M = 1

A = 2

R = 4

L = 6

E = 0

Y = 9

I = 7

8 does not appear