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Home / Doubts and Solutions/ICSE/Class 12 Science/Mathematics

Difference of the compound interest received in 1st year and 2 nd year is 20% per annum at compound interest is 1200 then find the sum

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Asked by subhankarmondal842 9th February 2020, 5:39 PM
Answered by Expert
Answer:
Compound space interest space for space 1 st space year straight A equals straight P open parentheses 1 plus 20 over 100 close parentheses straight I equals straight A minus straight P straight I subscript 1 equals straight P open parentheses 1 plus 20 over 100 close parentheses minus straight P Compound space interest space for space 2 nd space year straight I subscript 2 equals straight P open parentheses 1 plus 20 over 100 close parentheses squared minus straight P difference equals 1200 1200 equals straight P open parentheses 1 plus 20 over 100 close parentheses squared minus straight P minus straight P open parentheses 1 plus 20 over 100 close parentheses plus straight P 1200 equals straight P open parentheses 1 plus 20 over 100 close parentheses squared minus straight P open parentheses 1 plus 20 over 100 close parentheses 1200 equals straight P open parentheses 1 plus 20 over 100 close parentheses open parentheses open parentheses 1 plus 20 over 100 close parentheses minus 1 close parentheses 1200 equals straight P cross times 120 over 100 cross times 20 over 100 straight P equals 5000
Answered by Expert 15th February 2020, 9:48 AM
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