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If in 3 years at simple interest the principal increases by 18%, what will be the compound interest (in Rs) earned on Rs. 25,000 in 3 years…

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If in 3 years at simple interest the principal increases by 18%, what will be the compound interest (in Rs) earned on Rs. 25,000 in 3 years at the same rate?
  • A4775.4
  • B5774.4
  • C4557.4
  • D5575.4
Answer not set

Discussion 1

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CCommunity
Let the rate be r% and principle be p

According to the problem statement, since principle increases by 18% means interest is 0.18p

⇒ 0.18p = (p × r × 3) /100

⇒ r = 6%

Now CI can be given as

⇒ CI = 25000{(1 + 6/100) 3 - 1}

⇒ CI = 25000 × 0.191

⇒ CI = 4775.4

∴ CI is Rs. 4775.4