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2) Clement deposits $80000 in a bank at an interest rate of 10% p.a. , and he deposits $60000 in another bank at an interest rate of 9% p.a. Find the total amount that he will get after 5 years .
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3) Simple interest is given at an interest rate of 2.4% p.a. for an investment of $20000 . How long will it take the amount to become $22160 ?
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4 ) Shrley deposits $ 6000 in a bank at an interest rate of R% p.a. If the interest rate changes to 5.5% p.a. , Shrley will get $180 more as the simple interest two years later . Find the value of R .
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5 ) Find the principal that will amount to $13156 after 73 days if simple interest is calculated at an interest rate of 6% p.a. ( Take 1 year = 365 days . )