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Q5

by bacali » Mon Dec 01, 2008 3:33 pm
If ¼ of the larger of two numbers is greater than 5 times the smaller of the same two numbers, is the smaller number less than 4?


(1) The larger number is greater than 70.
(2) The larger number is less than 80.

OA: B
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Source: — Data Sufficiency |
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by cramya » Mon Dec 01, 2008 3:46 pm
Let x be the larger number y be the smaller number

Given Question stem: 1/4x>5y or x>20y

Is y<4

Stmt I
x larger than 70

x=120 y=5
x>20y

Y<4 NO

x=120 y=3

X>20Y

Y<4 YES

insuff

Stmt II
x less than 80

Take x as 80
x>20y
If we take y=4 x is not greater than 20y

Any x less than 80 y has to be less than 4

SUFF

B)
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