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  1. Simple interest on 500 for 4 years at 6.25% per annum is equal to the simple interest on 400 at 5% per annum for a certain period of time. The period of time is
    1. 4 years
    2. 5 years
    3. 6
      1
      years
      4
    4. 8
      2
      years
      3
Correct Option: C

Let the period of time be T years. Then,
According to question ,

400 × 5 × T
=
500 × 6.25 × 4
100100

T =
500 × 6.25 × 4
=
25
400 × 54

T = 6
1
Years.
4



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