Mathematics, 29.03.2021 01:00 khenalilovespandas

Here are two methods to make a 4-digit code. Codes can have repeated digits.

Method A
For the first two digits use an even number between 29 and 100
For the last two digits use a multiple of 11

Method B
Use 4 digits in the order odd even odd even
Do not use the digit zero

How many more codes can be made with method B than with method A?
In your working you must say how many codes can be made with each method.

Answers: 3

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Here are two methods to make a 4-digit code. Codes can have repeated digits.

Method A

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