Question

given principal is rupees 2000 S.I is Ruppes 500 time is 4 years the rate of interest per annum ​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

$a = \: p(1 + rt)$

here,

a = 500

p = 2000

t = 4

when we substitute the values in the formula we get,

500 = 2000(1+4r)

1+4r = 500/2000

4r = (1/4) - 1

r = -3/12

which implies that r = -1/4