sachindia wrote:In the fraction x/y, where x and y are positive integers, what is the value of y?
(1) The least common denominator of x/y and 1/3 is 6
(2) x=1
Target question:
What is the value of y
Statement 1: The least common denominator of x/y and 1/3 is 6
In other words, the least common multiple (LCM) of y and 3 is 6
This means that
y can equal 2 or
y can equal 6
Since we cannot answer the
target question with certainty, statement 1 is NOT SUFFICIENT
Statement 2: x=1
There are several values of x and y that meet this condition. Here are two.
Case a: x = 1 and
y = 29573584
Case b: x = 1 and
y = 2
Since we cannot answer the
target question with certainty, statement 2 is NOT SUFFICIENT
Statements 1 and 2 combined:
There are still 2 sets of values for x and y that meet both conditions:
Case a: x = 1 and
y = 2
Case b: x = 1 and
y = 6
Since we cannot answer the
target question with certainty, the combined statements are NOT SUFFICIENT
Answer =
E
Cheers,
Brent
