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10 Apr 2019, 23:27
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C
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
5%
(low)
Question Stats:
89% (01:57) correct
11%
(02:49)
wrong
based on 102
sessions
History
Date
Time
Result
Not Attempted Yet
In January, the value of a stock increased by 25%; and in February, it decreased by 20%. In March, it increased by 50%; and in April, it decreased by 40%. If Jack invested $80 in the stock on January 1 and sold it at the end of April, what was the percentage change in the price of the stock?
(A) 0%
(B) 5%
(C) 10%
(D) 40%
(E) 50%
(A) 0%
(B) 5%
(C) 10%
(D) 40%
(E) 50%
11 Apr 2019, 00:25
Kudos
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In January, the value of a stock increased by 25%; and in February, it decreased by 20%. In March, it increased by 50%; and in April, it decreased by 40%. If Jack invested $80 in the stock on January 1 and sold it at the end of April, what was the percentage change in the price of the stock?
(A) 0%
(B) 5%
(C) 10%
(D) 40%
(E) 50%
Let 'x' be the initial prize of the stock
Final prize in April = 1.25*0.8*1.5*0.6*x
= \(0.9X\)
Change = \(x-0.9x * 100 %\)
= 10% decrease
(A) 0%
(B) 5%
(C) 10%
(D) 40%
(E) 50%
Let 'x' be the initial prize of the stock
Final prize in April = 1.25*0.8*1.5*0.6*x
= \(0.9X\)
Change = \(x-0.9x * 100 %\)
= 10% decrease
Archit3110
11 Apr 2019, 01:08
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Bunuel
given price = 80$
so change %
80*1.25*.8*1.5*.6 = 72 $ end of april
80-72/80 = 10 % IMO C
