πŸ“’ Too many exams? Don’t know which one suits you best? Book Your Free Expert πŸ‘‰ call Now!

  • google app store apple app store
  • βœ–

      Question

      X invested Rs. 3600 at an annual simple interest rate of

      (a + 10)% and Rs. 2400 at an annual simple interest rate of a%. After 3 years, the total interest earned by X is Rs. 3780. Find the value of 'a'.
      A 12 Correct Answer Incorrect Answer
      B 15 Correct Answer Incorrect Answer
      C 18 Correct Answer Incorrect Answer
      D 20 Correct Answer Incorrect Answer
      E none of these Correct Answer Incorrect Answer

      Solution

      ATQ, 36 Γ— (a + 10) Γ— 3 + 24 Γ— a Γ— 3 = 3780 Or, 36a + 24a + 360 = 1260 Or, 60a = 900 Or, a = 15

      Practice Next
      ask-question