Vipul invests a sum of ₹5400
Vipul invests a sum of ₹5400 and Vijay invests a sum of ₹9400 at the same rate of simple interest per annum. If, at the end of 5 years, Vijay gets ₹840 more interest than Vipul, then find the rate of interest per annum (in percentage).
वार्षिक साधारण ब्याज की समान दर पर विपुल ₹ 5400 की राशि का निवेश करता है और विजय ₹ 9400 की राशि का निवेश करता है। यदि 5 वर्ष के अंत में, विजय को विपुल से ₹ 840 अधिक ब्याज प्राप्त होता है, तो वार्षिक ब्याज प्राप्त होता है, तो वार्षिक ब्याज की दर (प्रतिशत में) ज्ञात कीजिए।
Detailed Solution & Logic
4.2
Difference of principals
= 9400 - 5400 = ₹4000
Given:
Difference of interest in 5 years = ₹840
Simple Interest formula:
SI = $ \frac{P \times R \times T}{100} $
So,
$ \frac{4000 \times R \times 5}{100} = 840 $
$ 200R = 840 $
$ R = \frac{840}{200} = 4.2 $
Answer = 4.2%
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