general math MCQ #1208

The difference between compound interest and simple interest at the same rate on Rs 5000 for 2 years is Rs 72. The rate of interest per annum is:___________?

general math MCQ #1208

  1. Question 1

    Q1. The difference between compound interest and simple interest at the same rate on Rs 5000 for 2 years is Rs 72. The rate of interest per annum is:___________?

    • A) 6%
    • B) 8%
    • C) 10%
    • D) 12%

    Answer: 12%

    Explanation: The difference between CI and SI for 2 years = P×r²/100² = 5000r²/10000 = r²/2 = 72, so r² = 144 and r = 12%.