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A Sum Of Money Lent Out At Simple Interest Amounts To Rs. 720 After 2 Years And To Rs. 1,020 After A Further Period Of 5 Years. The Sum And The Rate % Are |
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Answer» Amount after 2 years = Rs 720 Amount after 7 years = Rs 1020 Therefore, INTEREST for 5 years = Rs 300 And Interest for 2 years = Rs 120 SO Principal = 720-120 = Rs 600 Also, 120 = (600*R*2)/100 = R = 10% Amount after 2 years = Rs 720 Amount after 7 years = Rs 1020 Therefore, Interest for 5 years = Rs 300 Interest for 1 year = Rs 60 And Interest for 2 years = Rs 120 SO Principal = 720-120 = Rs 600 Also, 120 = (600*R*2)/100 = R = 10% Amount after 2 years = Rs 720 Amount after 7 years = Rs 1020 Therefore, Interest for 5 years = Rs 300 Interest for 1 year = Rs 60 And Interest for 2 years = Rs 120 SO Principal = 720-120 = Rs 600 Also, 120 = (600*R*2)/100 = R = 10% Amount after 2 years = Rs 720 Amount after 7 years = Rs 1020 Therefore, Interest for 5 years = Rs 300 Interest for 1 year = Rs 60 And Interest for 2 years = Rs 120 SO Principal = 720-120 = Rs 600 Also, 120 = (600*R*2)/100 = R = 10% |
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