Question

Divide Rs2500 into 2 parts such that the simple interest on one at 4% per annum for 5 years is double that on
the other at 5% per annum for 3 years.
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Answer 1

Answer:

Let one part is = Rs x

them other part is = Rs (2500 – x)

simple interest (S1) on first part is,

s1= x×4×5/100=x/5

and simple interest (S2) on second part is,

s2=15(2500-x)/100

According to question -

x/5= 2× s2

x/5= 2× 15 (2500-x)/100

50x/5= 15(2500-x)

10x= -15x+15×2500

25x= 15×2500

x=15×100

x=1500

Hence one part is Rs 1500 and so other part is Rs 1000.

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Answer 2

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