If n > 0, which is greater, 20 percent of n or 10 percent of the sum of n and 0.5 ?
(1) n < 0.1
(2) n > 0.01
Inequalities
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n>0beater wrote:If n > 0, which is greater, 20 percent of n or 10 percent of the sum of n and 0.5 ?
(1) n < 0.1
(2) n > 0.01
which one is greater n/5 or (n+0.5)/10
For any value of n>1 it is not hard to see that n/5 will always be greater.
statement (1)
n<0.1
n<1/10
let n=1/20
n/5 = 1/100=2/200
(n+0.5)/10 = (1/20+5/10)/10 = 11/200
2/200 < 11/200
n/5 < (n+0.5)/10
let n=2/100
n/5<(n+0.5)/10
Sufficient.
Statement (2)
n=1/100
n/5< (n+0.5)/10
n=40
n5>(n+0.5)/10
Insufficient.
Thus, A.
OA?
The question essentially asks:
0.2n > 0.1n+0.05 or 0.2n < 0.1n+0.05.
For the first n>0.5 and for the latter n<0.5.
A tells you n<0.1 so this is sufficient to tell you 0.2n>0.1n+0.05.
B is not sufficient as n may or may not be > 0.5.
0.2n > 0.1n+0.05 or 0.2n < 0.1n+0.05.
For the first n>0.5 and for the latter n<0.5.
A tells you n<0.1 so this is sufficient to tell you 0.2n>0.1n+0.05.
B is not sufficient as n may or may not be > 0.5.
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4me question askskris610 wrote:The question essentially asks:
0.2n > 0.1n+0.05 or 0.2n < 0.1n+0.05.
For the first n>0.5 and for the latter n<0.5.
A tells you n<0.1 so this is sufficient to tell you 0.2n>0.1n+0.05.
B is not sufficient as n may or may not be > 0.5.
0.2n > 0.1(n+0.5)
0.2n > 0.1n+0.05
n>0,5?
Only (1) gives the answer n<0,1 then it is not more than 0,5
A