allery72-ன் விதியைப் பயன்படுத்தி, 12% வட்டியில் பணம் தோராயமாக எத்தனை ஆண்டுகளில் இரட்டிப்பாகும்?
A8 ஆண்டுகள்
B12 ஆண்டுகள்
C5 ஆண்டுகள்
D6 ஆண்டுகள்
Answer & Solution
Correct answer: D. 6 ஆண்டுகள்
72-ஐ 12-ஆல் வகுத்தால் 6 கிடைக்கும்.
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