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
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
toppr
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