Math, asked by vjaykumar, 5 months ago

A certain sum is invested for certain time. It amounts to 500 at
8% per annum. But when invested at 3% per annum, it amounts to
*200. Find the sum.
(a) 20 (b) 50 (c) 25 (d) 35​

Answers

Answered by azrafdevice
0

Answer:

Step-by-step explanation:

Lat the certain sum be S and time be t years

According to question  

S+S×10×t=600 .....(1)

S+S×5×t=400  .....(2)

From (1)

S=  

(1+10t)

600

​  

.....(3)

From (2)

S(1+5t)=400

(1+10t)

600

​  

(1+5t)=400

Solving we get t=0.2 years  

Answered By

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