Find the approximate simple interest on Rs.2000 from March 9, 2010 to May 21, 2010 at 8.25% per annum.
Here you need to count the number of days
= (31-9) in March + 30 in April + 21 Days in May
= 22 + 30 + 21 = 73 Days = $$\frac{73}{365}$$ Years
N =$$\frac{1}{5}$$ Years
Now, put this is the formula of Simple Interest
I = $$\frac{PRN}{100}$$
I = $$\frac{(2000 x 8.25 x 1)}{(100 x 5)}$$
I =$$\frac{16500}{500}$$ = 33
So, Simple Interest will be Rs 33 … Ans.
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