Question 
( (171)_{8}=1(8)^{2}+7(8)+1=64+56+1=121=(11)^{2} )
( (61)_{8}=6(8)+1=48+1=49=(7)^{2} )
( (58)_{8}=5(8)+8=40+8=48 quad ) not a perted squale
option ( (D) ) is corred. 
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U MIPIULUI CU LOYILDI Reasoning Section Quantitative Ability Question Type : Multiple Choice Question Question No. 28 DIRECTIONS for questions 26 to 28. Select the correct alternative from the given choices. Which of the following is not a perfect square? (171) (14,641) (61) (58) Mark for Review & Next Clear Response
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