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22 Jul 2018, 23:26
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D
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
35%
(medium)
Question Stats:
70% (01:53) correct
30%
(02:05)
wrong
based on 121
sessions
History
Date
Time
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Not Attempted Yet
For numbers x, y, z, and w, if x is 50% greater than y, and z is 20% greater than w, x/y is what percent greater or less than z/w ?
(A) 25 % less
(B) 20 % less
(C) 20 % greater
(D) 25 % greater
(E) 50 % greater
(A) 25 % less
(B) 20 % less
(C) 20 % greater
(D) 25 % greater
(E) 50 % greater
22 Jul 2018, 23:49
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Bunuel
For numbers x, y, z, and w, if x is 50% greater than y, and z is 20% greater than w, x/y is what percent greater or less than z/w ?
(A) 25 % less
(B) 20 % less
(C) 20 % greater
(D) 25 % greater
(E) 50 % greater
(A) 25 % less
(B) 20 % less
(C) 20 % greater
(D) 25 % greater
(E) 50 % greater
let assume the value:
w=100
x=150
y=100
z=120
1. x/y = 150/100 = 3/2
2. z / w = 120 /100 = 6/5
Difference = 3/2 -6/5 = 3/10
Required % = (3/10 ) / (6/5)
= 1/ 4 ~ 25%.
The best answer is D.
23 Jul 2018, 04:50
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Bunuel
For numbers x, y, z, and w, if x is 50% greater than y, and z is 20% greater than w, x/y is what percent greater or less than z/w ?
(A) 25 % less
(B) 20 % less
(C) 20 % greater
(D) 25 % greater
(E) 50 % greater
(A) 25 % less
(B) 20 % less
(C) 20 % greater
(D) 25 % greater
(E) 50 % greater
x=1.5y
z=1.2w
x/y=1.5y/y=15/10
z/w=12/10
%greater = (0.3)*100/1.2 =25%
