Question
Download Solution PDFराकेश ₹5,000 और शिवम ₹9,000 समान वार्षिक साधारण ब्याज दर पर निवेश करते हैं। यदि 3 वर्षों के अंत में शिवम को राकेश से ₹360 अधिक ब्याज मिलता है, तो वार्षिक ब्याज दर (प्रतिशत में) ज्ञात कीजिए।
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFदिया गया है:
राकेश द्वारा निवेश किया गया मूलधन (PR) = ₹5,000
शिवम द्वारा निवेश किया गया मूलधन (PS) = ₹9,000
समय (t) = 3 वर्ष
ब्याज में अंतर = ₹360
प्रयुक्त सूत्र:
साधारण ब्याज (SI) = P x r x t / 100
ब्याज में अंतर = SIS - SIR
गणना:
SIS = PR x r x t / 100
SIR = PS x r x t / 100
ब्याज में अंतर = ₹360
⇒ (PS x r x t) / 100 - (PR x r x t) / 100 = ₹360
⇒ r x t x (PS - PR) / 100 = ₹360
⇒ r x 3 x (₹9,000 - ₹5,000) / 100 = ₹360
⇒ r x 3 x ₹4,000 / 100 = ₹360
⇒ r x ₹12,000 / 100 = ₹360
⇒ r x ₹120 = ₹360
⇒ r = ₹360 / ₹120
⇒ r = 3%
∴ वार्षिक ब्याज दर 3% है, और सही उत्तर विकल्प (2) है।
Last updated on Jul 17, 2025
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