Is positive integer n divisible by 3?
1. n^2/36 is an integer
2. 144/n^2 is an integer
a. stat 1
b stat 2
c both together
d each alone
e neither
oa= a
For statement 2 could n not be 6 which would be divisble by 3
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Divisbility Rules
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cramya
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I am sure u got the A) part already
What if n=1 or 4 144/1^2 & 144/4^2 are both integers but neither 1 nor 4 is divisible by 3
NO
Since we get both a yes and a no we can stop here and say the statement is INSUFFICIENT
A)
Yes its true which leads you to a yes answerFor statement 2 could n not be 6 which would be divisble by 3
What if n=1 or 4 144/1^2 & 144/4^2 are both integers but neither 1 nor 4 is divisible by 3
NO
Since we get both a yes and a no we can stop here and say the statement is INSUFFICIENT
A)
