naman deposit rs 18000 in a bank at 5% simple entrest He withdraw 1000 rs at the end of year find balance after 6 years
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>>A man deposited Rs 10000 in a bank with
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A man deposited Rs 10000 in a bank with interest rate of 5% simple interest annually. Find the amount in 15th year since he deposited the amount and also calculate the total amount after 20 years.
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It is given that the man deposited Rs 10000 in a bank at the rate of 5% simple interest annually. Since, the simple interest is added every year, the amount in every year is a term in arithmetic progression.
Formula for Simple Interest I=
100
P⋅T⋅R
∴ Interest for each year =
100
5
×Rs 10000=Rs 500
Interest for each year is the common difference.
Formula for n
th
term in an AP t
n
=a+(n−1)d
Amount in 15
th
year =10000+14(500)
=17000
Amount after 20 years, which is amount in 21
st
year=10000+20(500)
=20000
Step-by-step explanation:
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Step-by-step explanation:
1year 18000*5*1/100=900
withdraw 1000
17900*5*4/100=3580
17900+5170=23070