Q. 34.9( 7 Votes )

Maria invested Rs. 80,000 in a business. She would be paid interest at 5% per annum compounded annually. Find

(i) the amount standing to her credit at the end of second year and (ii) the interest for the third year.

Answer :

i. Principle = 80,000

Rate of interest per annum = 5%


Time = years


Compound interest for 2 years


Amount =


=


= 88,200


Compound interest = Amount – principle


= 80,000 - 88,200 = 8,200


8,200 will be credited at the end of 2 years


ii. Compound interest for 3 years


Amount =


=


= 92,610


Compound interest = Amount – principle


= 80,000 – 92,610 = 12,610


Compound interest for 3rd year


= compound interest of 3 years – compound interest of 2 years


= 12,610 - 8,200


= 4,410


Compound interest for the 3rd year is 4,410


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