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What sum of money must be given at simple interest for six months at 4% per annum in order to earnn 150 interest(रु 150 बियाज प्राप्त करने के लिए कितने रूपए को 6 महीने करने के लिए 4 % बियाज दर से साधारण बियाज पर देना होगा )
A. 5000
B. 7500
C. 10000
D. 15000

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(b) Rate( दर)%=4%
Simple interest(सादारण बियाज़)=150 Time(समय)=6months(माह) =`(6)/(12)=(1)/(2) year`
Let the principle(मूलदन)=P we know that (हम जानते ह)
`SI=(PxxRxxT)/(100)`
Where(जहाँ)
SI-Simple interest(साधारण बियाज)
P-Principle(मूलदन)
R-Rate(दर)
T-Time(समय)
`Rightarrow=150=(Pxx4xx1)/(2xx100)`
`Righarrow=(150xx200)/(4)=7500`
Alternate(वैकल्पिक विधि)
दर=4%(वार्षिक)
अर्धवार्षिक दर=2%
According to the question
तक 2%=150
तक(100%)=7500
Alternnate / (#)
(दर) =4% (तक)
(तक) =2%
According to the question
(राशि का) 2%=150
(राशि) (100%)=7500

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