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Manoj deposited 29400 fior 6 years at si...

Manoj deposited 29400 fior 6 years at simple interest. He got 4200 as interest after 6 years. The annual rate of interest was:(मनोज ने 29400 , 6 वर्ष के लिए साधारण बियाज पर जमा किये 6 वर्षो बाद उसे 4200 बियाज प्राप्त हुआ वार्षिक बियाज की दर थी )

A

`2(8)/(21)`

B

`2(7)/(20)`

C

`3(8)/(21)%`

D

`4(8)/(21`%

लिखित उत्तर

Verified by Experts

(a) By using formula `4200=(2900xxRxx6)/(100)`
`R=(4200)/(294xx6)=(700)/(294)-(100)/(2)=(50)/(21)`
`R=2(8)/(21)%`
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