Question

2) If the price of an article increases by 49% and the sale of
that article decreases by 21%, then what is the
approximate effect on collection?​

Answer 1

Given :- If the price of an article increases by 49% and the sale of that article decreases by 21%, then what is the

approximate effect on collection ?

A) 15% decrease

B) 18% increase

C) 21% decrease

D) 28% increase

Solution :-

Let us assume that, Price of the article is Rs.100 and total 100 articles were sold .

so,

→ Price * sales = collection. .

→ 100 * 100 = 10000

now,

→ New Price = 49% inc. = (149 * 100)/100 = Rs.149 .

→ New sale = 21% dec. = (79 * 100) / 100 = 79 articles .

then,

→ New collection = 149 * 79 = Rs.11,771

therefore,

→ Increased collection = 11771 - 10000 = Rs.1771 .

hence,

→ % inc. collection = (1771 * 100)/10000 = (1771/100) = 17.71 ≈ 18% . (B) (Ans.)

Learn more :-

The cost of sunflower oil is increased by 30 % due to which consumption is decreased by 20%. Percentage

change in the ex...

https://brainly.in/question/35132516