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A sum of rs 10,200 is invested partly at...

A sum of rs 10,200 is invested partly at 8% per annum and remaining at 6% per annum for 3 years at simple interest. If the total interest is rs 2,124, how much money was invested at 6% per annum?
10200 रुपये की एक राशि 3 वर्षो के लिए अंशतः 8% प्रति वर्ष और शेष 6% प्रति वर्ष साधारण ब्याज की दर से निवेश की जाती है | यदि कुल ब्याज 2124 रुपया है, तो 6% प्रति वर्ष पर कितनी राशि निवेश की गयी थी ?

A

4900

B

5200

C

4800

D

5400

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