If a certain sum of money at simple interest amounts to rs 2800 in 2 years and to rs 3250 in 5 years.what ins the rate of interest percent pet annum
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Answered by
3
"Answer: After two years the certain amount is 2800. So we consider as the initial amount stating at the beginning of the 3rd year.
2800 becomes 3250 in 5 years
Therefore the interest earned for the balance three years = 3250-2800 = 450/-
So simple interest for one year is 450/3 = 150/-
The rate of interest = (150/2800) X 100 = 5.357%
"
Answered by
4
Answer:
Explanation:
difference of 5 year=3250 rs
2 year =2800 rs
----------------------------
3year intrest = 450rs (3250-2800)
1year intrst= 150rs (450/3)
2year intrest=300rs
principal=2800-300=2500rs
SI=(P×R×T)/100
300=(2500×R×2)/100
R=300×100/2500×2=6%
Rate=6%.
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