Percentage and Profit & Loss

A certain amount of money earning simple interest becomes 7/5^th of the initial amount in 4 years. What is the interest rate?

A shopkeeper earns a profit of 12% on selling a book at 10% discount on the printed price. The ratio of the cost price and the printed price of the book is:

The cost price of 19 articles is same as the selling price of 29 articles. What is loss percentage?

একজন কর্মচারির বেতন ২০% বৃদ্ধির পর সাপ্তাহিক ১৮০ টাকা পেল। তার আগের সাপ্তাহিক বেতন কত ছিল?

A book sells for Tk. 65. This price gives the seller a profit 30% on his cost. What will be the new selling price if he cuts his profit to 10% of the costs?

Ahmed sold a T-shirt TK. 810 and gained 8%. How much did he purchase it for?

The length of a rectangle is halved, while its breadth is tripled. What is the percentage change in area?

If the cost price is 25% of selling price, then what is the percentage of profit?

What is the profit of Tk. 650 in 6 years at the rate of profit Tk. 7.5 percent per annum?

A man spent 1/2 of his money and then lost 1/4 of the remainder. He was left with TK. 3,600. How much did he start with?

Mr. Sihab sold two pipes at Tk. 120 each. Based on the cost, his profit on one of the pipes was 20% and his loss on the other was 20%. On the sale of the pipes, he_____.

If 5% is gained by selling an article for BDT 350 than selling it for BDT 340, the cost of the article is-

In an examination 85% examinees passed in English. If total 75 examinees failed in English, then what is the total number of examinees?

A passenger paid 50% customs duty on accompanied baggage items. He paid another 20% sales tax on the total value of the items plus the custom duty paid. The total custom duty and sales tax is Tk. 350. what is the value of the item custom duty and sales tax?

In a store, shirts are sold for 25% less than the tag price. If a shirt costs Tk.480, what would be the tag price of the shirt to make a 25% profit on its cost?

Jashim buys 10 CDs for BDT. 200. If DVDs cost BDT 20 more, how many DVDs can he buy for the same amount?

After decreasing 24% in the price of an article the discounted price becomes $912. Find the actual price of the article?

30% of 50 is what fraction of 75% of 80?

By selling a product for 3500, a seller makes 15% profit. If the profit is decreased to 9%, then selling price will be:

If a = 4b, what percentage of 2a is 2b?