What should be added to 4872 so that it may become a perfect square?
Choose the correct choice from the following answers: A) 24 B) 25 C) 26 D) 27 E) 28
70x70=4900   4900-4872= 
<gadget id="calculator">4900-4872</gadget>
<output>28</output>
28   If added to 28 get perfect square   answer=28
<result>E</result>
What should be added to 4872 so that it may become a perfect square?