Part C - Elementary Mathematics
The simple interest received on a sum for 5 years is \( \frac{2}{5} \) of the sum. What is the annual rate of interest?
The price of 3 notebooks and 6 pen is Rs. 3,000. With the same money one can buy a notebooks and 12 pen. Raju wants to buy 15 pen, how much will he have to pay?
Rs. 8,400 is divided among P, Q and R in the ratio of \( \frac{2}{3} \) : 3 : \( \frac{1}{3} \) respectively. What is the share of R?
Selling price of a table is Rs. 6,875. If profit percentage is 25 percent, then what is the cost price of table?