Question

1. Use the clues below to determine Luke's house number

Answer 1

I think it is b
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Answer 2

First digit: A*1 =2 , A=2
Second digit: First digit*8 = 1*8 = 8
Third digit: 6-fourth digit => 6-6 =0 
Fourth digit: Fourth digit-First digit=5 => Fourth digit=5+first digit= 5+1 = 6

The house number= 1806.

The correct answer is A. 1806