Verified by Ajay Kumar
An amount invested on simple interest at 'R%' p.a. amounts to Rs. 9,504 and Rs. 12,384 in 4 years and 9 years, respectively. Find the value of 'R'.
7%
5%
11%
8%
Answer: D
Interest for 5 years = 12384 − 9504 = ₹2,880. Annual interest = 2880/5 = ₹576. Principal = 9504 − 4 × 576 = ₹7,200. Rate = (576/7200) × 100 = 8%.
'R%' वार्षिक साधारण ब्याज पर निवेश की गई राशि 4 वर्ष और 9 वर्ष में क्रमशः ₹9,504 और ₹12,384 हो जाती है। 'R' का मान ज्ञात कीजिए।
7%
5%
11%
8%
उत्तर: D
5 वर्षों का ब्याज = 12384 − 9504 = ₹2,880। एक वर्ष का ब्याज = 2880/5 = ₹576। मूलधन = 9504 − 4 × 576 = ₹7,200। ब्याज दर = (576/7200) × 100 = 8%।
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