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A person invested one-fourth of the sum ...

A person invested one-fourth of the sum of Rs 25000 at a certain rate of simple interest and the rest at 4% p.a. higher rate. If the total interest received for 2 years is Rs 4,125. What is the rate at which the second sum was invested?
एक व्यक्ति ने 25000 रुपये की एक-चौथाई राशि साधारण ब्याज की किसी निश्चित दर पर तथा शेष राशि 4% प्रति वर्ष उच्च दर से निवेश की | यदि 2 वर्षों के लिए प्राप्त कुल ब्याज 4,125 रुपये है, तो दूसरी राशि को किस दर पर निवेश किया गया था ?

A

0.095

B

0.0925

C

5.255

D

0.075

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