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Arving deposited a sum of money with a bank on 1 Janaury 2012 at 8% simple interest per annum. He received an amount 3144 on 7th Aug.2012. The money he deposited with the bank was(अरविंद ने 1 जनौरी 2012 में बैंक के साथ प्रति वर्ष 8% साधारण ब्याज पर धनराशि जमा की। उन्होंने 7 अगस्त 2012 को 3144 की राशि प्राप्त की। वह बैंक के पास जमा धन था)
A. 3080
B. 2500
C. 3000
D. 3100

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(c ) According to the question,
Amount(मिश्रधन)=3144
Rate(दर )=8%
Let the principle(मूलधन)=xTime(समय)
`(30+29+31+30+31+30+31+7)/(366)=(219)/(366)`
`SI=(PxxRxxT)/(100)`
`3144-x=(x xx8xx219)/(100xx366)=3000`

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