Question

I would appreciate some help with the logic maths kind of question (23)

Answer 1

Answer:

Let's assume that the first digit is 1.

So, the second digit will be 2 because 2-1=1

Let the Third digit be x

So, the fourth digit will be x+1

So the third digit=3

Fourth digit =4

1+4=2+3

:.Fourth digit=4

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