am amount of 19400 is divided into two parts , the first part is given for 5 years at 8 % per annum . the second part is given for nine years as 4% per annum as a loan .the simple interest is received both on them is in the ratio 3:7 . find the second part. pls answer me fast
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let the first part be x.
second part will be 19400-x.
S.I. for first part = x×5×8/100= 2x/5
S.I. for second part = (19400-x)×9×4/100= 174600-9x/25
Now,
2x/5÷174600-9x/25= 3/7 [Given]
=> 10x/174600-9x= 3/7
=> 70x = 523800-27x
=> 97x = 523800
=> x= 5400
So, first part= Rs 5400
second part= Rs 14000
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