An amount was invested at a simple rate of interest p.a. for 5 years. It would have fetched Rs.300 more had it been invested at 2% higher rate. What was the amount invested?
P is 4 times faster than Q in doing a job; Q takes 27 more days than P to finish the job. If they work together, in how many days will the work be finished?
6 \( \frac{4}{5} \) days
7 \( \frac{2}{5} \) days
7 \( \frac{3}{5} \) days
7 \( \frac{1}{5} \) days