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Unit 5 · Mathematical Reasoning and Aptitude Paper 1 · 27 June 2025 Evening

A sum of Rs. 10,000 is invested for a term of 2½ years at an interest rate of 8% compounded annually. The amount on maturity will be:रुपये 10,000 की एक राशि 2½ वर्ष के लिए 8% वार्षिक चक्रवृद्धि ब्याज दर पर निवेश की जाती है। भुगतान-तिथि (मैच्योरिटी) पर धनराशि होगी:

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Correct answer: C. Rs. 12130.5612130.56 रुपये

Explanation

For a fractional period with annual compounding, A = P(1 + r)n × (1 + fr), where the fraction of a year earns simple interest. Here A = 10000 × (1.08)2 × (1 + 0.08 × ½) = 10000 × 1.1664 × 1.04 = 11664 × 1.04 = Rs. 12130.56.वार्षिक चक्रवृद्धि में आंशिक अवधि के लिए सूत्र है A = P(1 + r)n × (1 + fr), जिसमें वर्ष के अंश पर साधारण ब्याज लगता है। यहाँ A = 10000 × (1.08)2 × (1 + 0.08 × ½) = 10000 × 1.1664 × 1.04 = 11664 × 1.04 = 12130.56 रुपये।

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