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1000 is invested at 5% per annum simple ...

1000 is invested at 5% per annum simple interest. If the interest is added to the principal after every 10 years, the amount will become, 2000 after(1000 की राशि 5 % वर्ष साधरण बियाज की दर से निवेश की जाती है यदि प्रेत्यक 10 वर्ष के बाद बियाज को मूलधन में जोड़ दिया जाये तब 2000 का मिश्रधन कितने समय बाद प्राप्त होगा )

A

15years

B

18years

C

20years

D

`16(2)/(3)`years

लिखित उत्तर

Verified by Experts

(d) Principal=1000,Rate=5% Interest for first 10years `(1000xx5xx10)/(100)=500`
After 10years principal-(2000-1500)=500 Required time`=(500)/(1500)xx(100)/(5) Rightarrow (100)/(5)=(20)/(3)=6(2)/(3)"years"`
Total time=`(10+6(2)/(3)) =16(2)/(3)`
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