Find S.L for Rs.8000 at 7% interest for 3 years
Answers
Step-by-step explanation:
Principal for the first year = Rs.8000, Rate = 5% per annum, T = 1 year
Interest for the first year = =
100
P×R×T
=Rs.[
100
8000×5×1
]=Rs.400
∴ Amount at the end of the first year = Rs. (8000 + 400) = Rs. 8400
Now principal for the second year = Rs.8400
Interest for the second year =
100
P×R×T
=Rs.[
100
8400×5×1
]=Rs.420
∴ Amount at the end of the second year = Rs. (8400 + 420) =Rs.8820
Interest for the third year =
100
P×R×T
=Rs.
100
8820×5×1
=Rs.441
∴ Amount at the end of the third year = Rs.(8820 + 441) = Rs. 9261
Now we know that total C.I. = Amount - Principal = Rs. (9261 - 8000) = Rs. 1261
we can also find the C.I. as follows
Total C.I. = Interest for the first year + Interest for the second year + Interest for third year = Rs. (400 + 420 + 441) = Rs.1261
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Answer:
principal. 8000
rate of interest. 7%
time. 3 years
si. ?
SI= prt/100
8000×7×3/100
80×21= 1680₹