For the following questions answer them individually
A loss of 12% gets converted into a profit of 8.5% when the selling price of an article is increased by ₹164. The cost price of the article is:
Pens are bought by a shopkeeper at the rate of ₹1.200 for 150 pens and sold at the rate of ₹1.620 for 180 pens. His profit or loss per cent is:
If the compound interest on a certain sum for 2 years at 4% per annum is ₹1530. What would be the simple interest on the same sum for the same period and at the same rate?
A takes 15 days to complete $$\frac{5}{7}$$ of a work. With the help of B, they finish the whole work in 12 days. In how many days, B alone will complete the same work?
A shopkeeper sells an item for ₹1.638 after offering a discount of 16% on its list price . Had he not offered any discount, he would have earned a profit of 30%. What is the cost price (in ₹) of the article?
There are five numbers. The average of the first four numbers is $$\frac{5}{6}$$ of the fifth munber. If the average of all the five numbers is 26, then what is ihe fifth number?
Working together, A, B and C can do a certain work in 10 days. A is 20%, more efficient than B, and C is 50% less than efficient than B. B alone can complete the same work in:
A trader marked the price of an article so as to earn a profit of 28%, on its cost price. He sold it by giving 15%, discount on its marked price. What was his actual profit percentage?