Question

8. The price of an article was increased by 20%. After some days the price was
reduced by 20%. Is the reduced price of the article more or less than the original
price? By how many per cent? (2017)
(1) Less by 10% (2) More by 4% (3) Less by 4% (4) No change in percentage​

Answer 1

Answer:

3

Step-by-step explanation:

let the price be x

x+20%x = x+0.2x = 1.2x = y

y-20%y = y-0.2y = 0.8y

= 0.8×1.2x = 0.96x

% decrease = x-0.96x /x ×100

=0.04 ×100=4%