Question
A sum of money becomes Rs. 6690 after three years and Rs. 10035 after six years on compound interest. The sum is -
Answer: Option C
- Let the principal be P, then P ( 1+ R ) 3 = 6690 ...(i) 100 and P ( 1+ R ) 6 = 10,035 ...(ii) 100 Now, Dividing (ii) by (i), we get ( 1+ R ) 3 = 10035 = 3 100 6690 2 Px 3 = 6690 2 P = 6690 x 2 = Rs. 4460 3
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- Let the principal be P, then P ( 1+ R ) 3 = 6690 ...(i) 100 and P ( 1+ R ) 6 = 10,035 ...(ii) 100 Now, Dividing (ii) by (i), we get ( 1+ R ) 3 = 10035 = 3 100 6690 2 Px 3 = 6690 2 P = 6690 x 2 = Rs. 4460 3
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