If the total simple interest received on a sum for 25 years is \( \frac{5}{8} \) of the principal, what is the rate of simple interest paid per annum?
A man divides ₹1,100 among three kids in the ratio \( \frac{1}{2} : \frac{2}{5} : \frac{3}{4} \) . What is the share of the kid who got the maximum share?
Select the number that will come in place of the question mark (?) in the following mathematical statement.
\( \frac{12}{15} \text{ of } 40\% \text{ of } 1800 = ? \times 480 \)
The selling price of a pen is ₹660. If the profit is 20%, then what is the nominal profit earned on the sale of the pen?
The marked price of a bottle is ₹2,600. Two successive discounts of 10% and 30% are given. What is the selling price?
₹15,000 is lent for one year at the rate of 20% per annum, the interest being compounded annually. If the compounding of the interest is done half - yearly, then how much more interest will be obtained at the end of the one-year period on the same initial sum?