A sum of ₹1,600 amounts to ₹1,840 in 2 years at simple interest. At what rate of interest per annum? ₹1,600 की राशि साधारण ब्याज पर 2 वर्षों में ₹1,840 हो जाती है। वार्षिक ब्याज दर क्या है?
A
7.5% (7.5%)
B
8% (8%)
C
10% (10%)
D
6.5% (6.5%)
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Correct Answer 7.5%
Explanation
SI = 1840 - 1600 = ₹240. Rate R = (SI x 100) / (P x T) = (240 x 100) / (1600 x 2) = 24000 / 3200 = 7.5%.