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A certain scheme of investment in simple...

A certain scheme of investment in simple interest declares that it triples the investment in 8 years. If you want to quadruple the money through that scheme for how many years you have to invest for:(किसी विशेष योजना में साधारण बियाज पर धन निवेशित करने पर 8 वर्ष में तिगुना हो जाता है तो चार गुना करने के लिए अपेक्षित समय ज्ञात करे )

A

11years6months

B

10years8months

C

10years

D

12years

लिखित उत्तर

Verified by Experts

(d)
Required Rate%=`(2P)/(P)xx(100)/(8)`
Case (II):

Alternate(वैकल्पिक विधि )
Note:In such type of questions to save your valuable time follow the given below method(इस प्रकार के प्रशनो बहुमूल्य समय के बचत के लिए आप नीचे दी गयी विधि का प्रयोग कर सकते है )

Hence, Required time(अभीस्ट बियाज)=12years
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