📢 Too many exams? Don’t know which one suits you best? Book Your Free Expert 👉 call Now!

  • google app store apple app store

    • Question

      The amount of simple interest earned on ₹4080 at an

      annual rate of 7.5% for t years is compared to the simple interest earned on ₹3250 at an annual rate of 4.5% for 2t years. If the ratio of these two amounts is 6:5, find the value of t.
      A 3 Correct Answer Incorrect Answer
      B 2 Correct Answer Incorrect Answer
      C 2.5 Correct Answer Incorrect Answer
      D 5 Correct Answer Incorrect Answer
      E 4 Correct Answer Incorrect Answer

      Solution

      ATQ,
      [4080(1 + 7.5*t/100)]/[3250(1 + 4.5*2t/100)] = 6/5
      408(100 + 7.5t)/325(100 + 9t) = 6/5
      6800 + 510t = 6500 + 585t
      75t = 300
      t = 4 years

      Practice Next
      ask-question