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5% உயர்வுக்குப் பிறகு ஒரு தொகை ₹840 ஆகிறது எனில், அதற்கு முன் அத்தொகை என்னவாக இருந்தது?

A₹780
B₹800
C₹820
D₹840
Answer & Solution
Correct answer: B. ₹800
₹840 என்பது ஆரம்பத் தொகையின் 105% ஆகும், எனவே ஆரம்பத் தொகை ₹800 ஆகும்.
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