Statement :
Your friend said, “If yesterday was tomorrow, today would be Friday.”
On which day did your friend make this statement ?

Solution :
Wednesday

There are two ways to interpret this.

1. If x + 1 == x – 1
   Then
   x == x – 2
   x – 2 = Friday
   x = Sunday
2. If x – 1 == x + 1
   Then
   x == x + 2
   x + 2 = Friday
   x = Wednesday

Option 1) makes sense and hence the answer.

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