100 < n <200

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100 < n <200

by nehakhas1 » Fri May 22, 2009 11:44 pm
If n is an integer and 100 < n <200, what is the value of n?
(1) n/36 is an odd integer.
(2) n/45 is an even integer.

Correct ans C
Source: — Data Sufficiency |

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by kyabe » Sat May 23, 2009 1:33 am
IMO answer is B
Stmt 1: n/36 is odd
=> n/36 = 2X + 1 (For particular X)
=> n = 72X + 36
=> n is even

Since 100 < n < 200

n can be 72*1 + 36 OR 72*2 + 36

But cant say what is EXACTLY is n => Insuff

Stmt 2: n/45 i even
=>n /45 = 2Y (for particular Y)
=> n = 90Y (Can't say anything about n in this case)

Since n = 90 Y
and 100 < n < 200

So the only integer value that satisfies Y = 2
ie n = 180

Stmt 2 is sufficient . Am I wrong again?? :(