Question
Download Solution PDFसाधारण ब्याज पर कोई धनराशि 4 वर्षों में स्वयं का दोगुना हो जाती है। ब्याज की वार्षिक दर (प्रतिशत में) क्या है?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFदिया गया है:
समय (t) = 4 वर्ष
मिश्रधन = मूलधन (P) का 2 गुना
प्रयुक्त सूत्र:
साधारण ब्याज (SI) = (P × r × t)/100
जहाँ, SI = मिश्रधन - मूलधन (P)
गणना:
मिश्रधन = मूलधन (P) का 2 गुना
⇒ SI = मूलधन (P)
⇒ मूलधन (P) × r × t/100 = मूलधन (P)
⇒ r × t = 100
⇒ r × 4 = 100
⇒ r = 100/4
⇒ r = 25%
∴ सही उत्तर विकल्प (3) है।
Last updated on Jul 17, 2025
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