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Senior | Next Rank: 100 Posts
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by naveen451 » Sat Jul 23, 2011 9:30 pm
What is the value of y?

(1) When y is multiplied by 6, the result is between 40 and 45.
(2) When y is multiplied by 3, the result is between 19 and 23.



Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.



Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.



BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.



EACH statement ALONE is sufficient.



Statements (1) and (2) TOGETHER are NOT SUFFICIENT
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Source: — Data Sufficiency |
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by knight247 » Sat Jul 23, 2011 10:02 pm
Prefer doing this one by trial and error.

(1) When y is multiplied by 6, the result is between 40 and 45.
Lets try
5*6=30(Does not lie between 40 and 45)
6*6=36(Does not lie between 40 and 45)
7*6=42(Lies between 40 and 45)
8*6=48(Does not lie between 40 and 45)

Sufficient

(2)When y is multiplied by 3, the result is between 19 and 23.
Lets try
5*3=15(Does not lie between 19 and 23)
6*3=18(Does not lie between 19 and 23)
7*3=21(Lies between 19 and 23)
8*3=24(Does not lie between 19 and 23)

Sufficient. Hence D
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by naveen451 » Sat Jul 23, 2011 10:21 pm
RIGHT OPTION IS E


BCOZ IT CAN BE 7.1
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by knight247 » Sat Jul 23, 2011 10:28 pm
ur right. I assumed Y to be an integer.
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