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Is x a prime number?

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by sanju09 » Fri Jan 30, 2009 4:34 am
Is x a prime number?

1. x is an even number.

2. x can not be divided evenly by an odd number other than 1.

What is OA?
The mind is everything. What you think you become. –Lord Buddha



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Re: Is x a prime number?

by aroon7 » Fri Jan 30, 2009 6:48 am
sanju09 wrote:Is x a prime number?

1. x is an even number.

2. x can not be divided evenly by an odd number other than 1.

What is OA?
1) says x=....-4,-2,0,2,4,6...
2 is prime in this list and others are not. so insuff

2) says x = 2,4,8....
insuff

taking both the statements together it is still insuff

Ans is E
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Re: Is x a prime number?

by piyush_nitt » Sat Jan 31, 2009 12:15 am
sanju09 wrote:Is x a prime number?

1. x is an even number.

2. x can not be divided evenly by an odd number other than 1.

What is OA?
Can you please let me know the meaning of bold FACE stmt?

Thanks mate!
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Re: Is x a prime number?

by aroon7 » Sat Jan 31, 2009 7:10 am
piyush_nitt wrote:
Can you please let me know the meaning of bold FACE stmt?

Thanks mate!
it says x has only one odd factor (factor that is an odd number) and that is 1
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by sanju09 » Mon Feb 02, 2009 5:40 am
:) The question can not be answered with the statements provided. Because x can be an even number and still be prime (2 is a prime number), statement 1 is insufficient. Additionally, x might be divisible by even numbers, so statement 2 is also insufficient.
The mind is everything. What you think you become. –Lord Buddha



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by vikram_k51 » Mon Feb 02, 2009 7:45 am
Is x a prime number?

1. x is an even number.

2. x can not be divided evenly by an odd number other than 1.


A:Not Sufficient,Can be any even number


B: Not Sufficient,Can be any even number

Together also they are not sufficient

Hence E
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