SSC GD Constable previous year question
If the difference between compound interest and simple interest on a sum for three years at 5% per annum rate is ₹244, find the principal (in ₹).
Asked in SSC GD Constable 2025: 05 Feb 2025 Shift 1 (Morning) · Quantitative Aptitude
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Correct answer: (B) 32000
For 3 years, CI−SI = P×(r/100)²×(300+r)/(100×100). Substituting r=5, and solving for P gives P = ₹32000.
हिंदी में प्रश्न
यदि 5% वार्षिक ब्याज दर से तीन वर्षों के चक्रवृद्धि ब्याज तथा साधारण ब्याज का अंतर ₹244 है, तो मूलधन (₹ में) ज्ञात कीजिए।
उत्तर जाँचने के लिए किसी विकल्प पर टैप करें।
उत्तर और व्याख्या देखें
सही उत्तर: (B) 32000
3 वर्षों के लिए CI−SI = P×(r/100)²×(300+r)/(100×100)। r=5 रखकर हल करने पर P = ₹32000 प्राप्त होता है।
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