20. From 2008 to 2009, the sales of a
book decreased by 80%. If the sales
in 2010 was the same as in 2008,
by what percent did it increase
from 2009 to 2010?
(a) 80%
(b) 100%
(C) 120%
(d) 400%
Answers
Answer:
The correct answer is 400%
Answer:
Description for Correct answer:
Let sale in 2008 = 100
Sale in 2009 = 20
Sale in 2010 = 100
Therefore, Required increase = 100−2020×100
= 8020×100 = 400%.
Step-by-step explanation:
Description for Correct answer:
Let sale in 2008 = 100
Sale in 2009 = 20
Sale in 2010 = 100
Therefore, Required increase = 100−2020×100
= 8020×100 = 400%.
Part of solved Percentage questions and answers : >> Aptitude >> Percentage
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