Question

If the price of an article is decreased by 40% then by how much per cent must a man increase his consumption of the article so as to keep his expenditure on the article unaltered?

Answer 1

Answer:

Step-by-step explanation:

Let initial rate was 100

Now, 40% decrement in duty,

rate = 100−40=60

To make their revenue 100, consumption must be increase of 40.

So, % increment =  

60

(40×100)

​

=  

3

200

​

%