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A sum becomes for rs 4500 after 2 years and rs 6750 after 4 years at compound interest.the sum is |
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Answer» Amount (A2) =Rs 6750 Time 2 = 4YEARS Let the rate% =R% Principal= Rs p According to the question, 4500= p ( 1+R/100)² .......(i) 6750= p(1+R/100) power 4 .......(ii) By adding equation (ii) by the equation...(i) 6750/4500= (1+R/100)²...(iii) From equation (i) and (ii) 4500= P*3/2 P = 4500*2/3 Now we divide 4500 by 3 we get 1500 then 1500 *2=3000 we get principal =3000 and the C.I = 4500 " |
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