Find the compound interest on Rs. 1000 at the rate of 20% per annum for 18 month when interest is compounded half yearly.
Rs. 1200 is lent out at 5% per annum simple interest for 3 years. Find the amount after 3 years.
Rs. 2100 is lent at compound interest of 5% per annum for 2 years. Find the amount after two years.
Find the difference between the simple interest and the compound interest at 5% per annum for 2 years on principal of Rs. 2000.
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