/ प्रश्न 13 At what rate will a sum become three times itself in 20 years at Simple Interest? किस साधारण ब्याज दर से कोई राशि 20 वर्षों में तीन गुनी हो जाएगी?
Answer and explanation are free to read — no sign-in required. / उत्तर और व्याख्या पढ़ने के लिए साइन-इन आवश्यक नहीं है।
Correct Answer / सही उत्तर
C. 10%
Explanation / व्याख्या
For amount = 3P, SI = 2P. RT = 200. R × 20 = 200. R = 10%.
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