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Aptitude Day 196

Answers of Day 195:  1. 5%
                                      2. 4%

Problems to Solve:

1. In how much time would the simple interest on a certain sum be 0.25 times the principal at 5% per annum?

2. Simple interest on a certain amount is 4/9 of the principal. If the numbers representing the rate of interest in percent and time in years be equal, then time, for which the principal is lent out, is:


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