Question

find the compound interest rs 250 for 3years rate of 4%​

Answer 1

Answer:

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Step-by-step explanation:

sum= rs 250

time= 3 yrs

rate=4%

A= P(1+r/100)^n

A=250(1+4/100)^3

A=250×26/25×26/25×26/25

A=281.21.

CI = A-P

CI = 281.21-250

CI = rs 31.21

Answer 2

Step-by-step explanation:

CI for 1st yr= (250 X 4 X 1) / 100

= Rs. 10.19

Principal for 2nd year= 250 + 10.19

                                  = Rs. 260.19

CI for 2nd Year= (260.19 X 4 X 1) / 100

                         = Rs. 10.60

Principal for 3rd year= 260.19 + 10.60

                                 = Rs. 270.79

Ci for 3rd yr= (270.79 X 4 X 1) / 100

                   = Rs. 11.03

Amount after 3 years= 270.79+11.03

                                  = 281.82

∴ CI for 3 yrs = 281.82 - 250

                       = Rs. 31.82