Which price Index is a measure of the average change over time in the prices ?

Even after a discount of $q\%$ on marked price a trader gains by $p\%$ What is the markup percentage over the cost price?

Even after a discount of $q\%$ on marked price a trader gains by $p\%$ What is the markup percentage over the cost price?

Price of a house came down by 10% during recession. After one year, the price increased by 15%. What was the effective percentage change over the original price?

Fisher’s Price Index Number is

Five times the price of a pen is Rs. 17 more than three times its price. Find the price of the pen.

The price of a refrigetor, P is 5 times that of a cooler Q. If then price of P increases by $40\%.$ then what is the change in the total price of the refrigerator and cooler put together ?

The Percentage change in demand is three times the percentage change in price. If original demand was 30 units at the price of ₹ 7 per unit, then calculate the price elasticity of demand, given price increased by 10% . Indicate whether the demand is elastic or not. Also calculate the new quantity demanded.

A consumer price index measures changes in:
(i) retail prices (ii) wholesale prices (iii) producers prices

We use price index numbers

Index numbers measure relative changes in the variables over time. (True/False)