Question

the difference between compound interest and simple interest on 8400 for 2 years is rupees 21 at the same rate of interest per year find the rate of interest​

Answer 1

Answer:

D = P (r100)2 21 = 8400 (r100)2 1 = 4 r2100 r2 = 25 r = 5

Step-by-step explanation:

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Answer 2

Answer:

hi dear

Step-by-step explanation:

d= p(r/100)²

21=8400(r/100)²

r²= 25

r= 5%