What sum Of money should be invested on simple interest for 5 years at 4% to earn the same amount of interest as rs800 will earn in 6 years at 10% per annum simple interest
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Answer:
Step-by-step explanation:
☞ For first 4 years
SI=PTR/100
=(800X4X8)/100
=256
☞ For last 4 years
SI=(800X4X6)/100
=192
on adding 256+192=RS.448
☞ FOR 8 years it is 448(missing the middle 5th year as it has not given any values in the question)
by taking mean of(6+8)/2=7
SI for 5th year = (800x1x7)/100=56
adding it to 448+56=504
or simply we can solve taking mean for all the years
SI=(800X9X7)/100=504
☞ However we calculate answer is the same
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