Question

When the price of an article is increased by 15%,
the number of articles sold decreases by 20%, What
is the percentage change in the sales revenue?​

Answer 1

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Text Solution

5% increase

3% decrease

8% increase

8% decrease

Answer :

D

Solution :

(i) Let the original price be Rs. 10x and the number of articles sold be 10y.

(ii) Assume the price of each article as Rs. 100 and number of articles as 100.

(iii) Now, price of each article is Rs.115 and the number of articles sold is 80.

Answer 2

Step-by-step explanation:

When the price of an article is increased by

the number of articles aold decreases by

What is the percentage change in the sales revenue? (Sales revenue = piece of each article X number of articles sold).

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