Shiela had 50000 she invested 20000 at 12% and 12500 at 24%.at what rate percent should she invest the remainder such that she gets an annual total interest which is 15% of her total investment?
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Answered by
3
please change name
and amount
Principal for the first year = Rs 3,000
Interest for the first year=Rs3,000 x 5 x 1100 = Rs 150
Amount at the end of the first year = Rs 3,000 + Rs 150 = Rs 3,150
Principle Interest for the second year=Rs 3,150 x 5 x 1100 = Rs 157.50
Amount at the end of the second year = Rs 3307.50
Compound interest=Rs 3,307.50 – 3,000 = Rs 307.50
and amount
Principal for the first year = Rs 3,000
Interest for the first year=Rs3,000 x 5 x 1100 = Rs 150
Amount at the end of the first year = Rs 3,000 + Rs 150 = Rs 3,150
Principle Interest for the second year=Rs 3,150 x 5 x 1100 = Rs 157.50
Amount at the end of the second year = Rs 3307.50
Compound interest=Rs 3,307.50 – 3,000 = Rs 307.50
Answered by
1
Answer:
Step-by-step explanation:
Calculate 20000*12%+12500*24%
=5400 this is the interest amount we get
So difference between the 15% if 50000 and 5400 =2100.
So calculate the remaining amount on remaining interest
For annual amount we can take t=1 year.
So interest =(PTR)/100
2100=((50000-(20000+12500))*1*r)/100
r=12%
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