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15. At what rate of compound interest perannum will a sum of Rs 6000 become Rs6540 in 1 year*O 3%O 7%5%o 9% |
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Answer» Answer: Here, P=6,000 , R=9%= 100 9 =0.09 and n=18months= 12 18 = 23 years. Amount after 2 years =P(1+r 22) 2n =6,000(1+ 2 0.09 ) 2 2 3 =6000(1+0.45) 3 =6,000×1.45 3 =18291.75 ∴Amount=18291.75 ∴C.I=A−P=18291.75−6000=12,291.75 C.I=12,291.75 |
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