The Least Common Multiple of two prime numbers x and y, (x < y) is 145. Then what is the value of (10x − y)?
A can do a piece of work in 28 days. B is 68% more efficient than A. Find the number of days taken by B to do the same piece of work.
\( \frac{28}{3} \) days
15 days
\( \frac{50}{3} \) days
\( \frac{25}{2} \) days
A person lent certain sum of money at the annual rate of 24 percent on simple interest. In 5 years the interest amounted to ₹1,200 more than the sum lent. What is the sum lent?
Selling price of a bag is ₹1,056 and profit percentage is 20 percent. If selling price is ₹800, then what will be the loss percentage?
Compound interest (compounding annually) on a sum for 2 years is ₹967.5. If rate of interest is 15 percent per annum, then what is the sum?