Question
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2.
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Answer (Detailed Solution Below)
Option 2 : ₹12,000 / ₹12,000
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Detailed Solution
सही उत्तर ₹12,000 / ₹12,000 है।
Key Points
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prepsnap.in • Part -AQuestion:
Over 2 years at 10% per annum, the compound interest on a sum exceeds the simple interest by ₹120. What is the sum? / 10% वार्षिक दर से 2 वर्षों में किसी धनराशि पर चक्रवृद्धि ब्याज साधारण ब्याज से ₹120 अधिक है। वह धनराशि क्या है?
1.
₹10,000 / ₹10,000
2.
₹12,000 / ₹12,000
3.
₹15,000 / ₹15,000
4.
₹8,000 / ₹8,000
Correct Answer: ₹12,000 / ₹12,000
For 2 years, CI - SI $= P(\frac{r}{100})^2$; so $P \times (\frac{1}{10})^2 = 120$, giving $P = 12000$. / 2 वर्षों के लिए चक्रवृद्धि ब्याज − साधारण ब्याज $= P(\frac{r}{100})^2$; अतः $P \times (\frac{1}{10})^2 = 120$, जिससे $P = 12000$।
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