Home » Aptitude » Simple interest » Question
  1. The rate of simple intereset per annum at which a sum of money doubles
    itself in 16
    2
    % years is
    3


    1. 4%
    2. 5%
    3. 6%
    4. 6
      2
      %
      3
Correct Option: C

According to the question,
Let Principal = Rs. P.
Simple Interest = Rs. p.

Time =
50
years
3

∴ Rate =
Interest × 100
Principal × Time

Rate =
p × 100
p ×
50
3

Rate =
100 × 3
= 6% per annum
50



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