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      Question

      Someone puts Rs. 18,000 in a scheme offering simple

      interest at β€˜x%’ annually and receives Rs. 22,500 after 2.5 years. If he had instead invested Rs. 15,000 at the same rate for 3 years, what interest would he have earned?
      A Rs.5000 Correct Answer Incorrect Answer
      B Rs.2000 Correct Answer Incorrect Answer
      C Rs.4500 Correct Answer Incorrect Answer
      D Rs.2000 Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      Total interest for 2.5 years = 22500 - 18000 = Rs. 4,500 ATQ; 4500 = (18000 Γ— x Γ— 2.5) Γ· 100 β‡’ x = 10 So, required interest = (15000 Γ— 10 Γ— 3) Γ· 100 = Rs. 4,500

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