A 600
B 650
C 625
D 620
Correct Answer: Option C
ধরি, আসল = ক
প্রশ্নমতে,
[{ক(১+৪/১০০)২} - ক] - {ক×২×(৪/১০০)} =১
=> ক =৬২৫ (উত্তর)
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