Latest SSC Aptitude Question SOLUTION: Rs.1000 is invested at 5% per annum simple interest. if the interest is added to the principal after every 10 years, the amount will become Rs.2000 after :-

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(#M40153791) SSC Numerical Ability question simple interest Keep an EYE

Rs.1000 is invested at 5% per annum simple interest. if the interest is added to the principal after every 10 years, the amount will become Rs.2000 after :-

Asked In SSC kaur sweet (8 years ago)

Solved Devendra Marghade Read Solution (2)

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Devendra Marghade  (8 years ago) Best Solution

17 years

At the end of 10 years at 5% per annum simple interest, Rs 1000 will become 1000+1000*10*5/100=1500
So Rs. 1500 will be again invested for say 'n' years at 5% simple interest to becomes 2000, then
1500+ (1500*5*n/100)=2000 ,n=20/3=6.66 ~7
So at the end of 10+7=17 years Rs. 1000 will become Rs. 2000

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dheeraj kumar mohanta  (8 years ago)

At the end of 10 years at 5% per annum simple interest, Rs 1000 will become 1000+1000*10*5/100=1500
So Rs. 1500 will be again invested for say 'n' years at 5% simple interest to becomes 2000, then
1500+ (1500*5*n/100)=2000 ,n=20/3=6.66
So at the end of 10+6YRS 8MONTHS=50/3 years Rs. 1000 will become Rs. 2000
BUT MONEY OF INTEREST WILL BE ADDED AT THE END OF TEN YEARS. SO, ITS NOT 6YRS 8MONTH BUT 10YS. TOTAL AFTER 20YRS.

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