RRB NTPC CBT-1 previous year question
A sum of ₹12,000 is invested at 10% per annum, compound interest, compounded half- yearly. What is the amount after 1.5 years?
Asked in RRB NTPC 2026 — 17 June Shift 1 · Quantitative Aptitude
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Correct answer: (C) ₹13,891.50
For half-yearly compounding, rate per half-year = 10/2 = 5%, and number of half-year periods in 1.5 years = 3. Amount = 12000 x (1 + 5/100)3 = 12000 x 1.157625 = ₹13,891.50.
हिंदी में प्रश्न
₹12,000 की धनराशि 10% वार्षिक चक्रवृद्धि ब्याज दर पर निवेश की जाती है, जहां ब्याज अर्धवार्षिक रूप से संयोजित होता है। 1.5 वर्ष बाद मिश्रधन कितना होगा?
उत्तर जाँचने के लिए किसी विकल्प पर टैप करें।
उत्तर और व्याख्या देखें
सही उत्तर: (C) ₹14,200
अर्धवार्षिक चक्रवृद्धि के लिए, प्रति अर्धवर्ष दर = 10/2 = 5%, और 1.5 वर्ष में अर्धवर्ष अवधियों की संख्या = 3। राशि = 12000 x (1 + 5/100)3 = 12000 x 1.157625 = ₹13,891.50।
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