What should be added to 4329 so that it may become a perfect square?  Answers
A) 24  B) 25  C) 26  D) 27  E) 28
66x66=4356   4356-4329= 
<gadget id="calculator">4356-4329</gadget>
<output>27</output>
27   If added to 27 get perfect square   answer=27
<result>D</result>
What should be added to 4329 so that it may become a perfect square?