As the Number gives a remainder of 4 when it is divided by 7, then the number must be in form of (7x +4).
The same gives remainder 1 when it is divided 4, so the number must be in the form of {4*(7x+4)+1}.
Also, the number when divided by 3 gives remainder 2, thus number must be in form of [3*{4*(7x +4)+1}+2]
Now, On simplifying, [3*{4*(7x+4)+1}+2] = 84x+53. We get the final number 53 more than a multiple of 84.
Hence, if the number is divided by 84, the remainder will be 53.
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