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03 Apr 2018, 11:49
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E
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
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98% (00:44) correct
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At a given school, the number of students enrolled in neither an accounting nor a finance course is how much greater than the number of students enrolled in both?
(1) There are 250 students enrolled in an accounting course.
(2) There are 280 students enrolled in a finance course.
(1) There are 250 students enrolled in an accounting course.
(2) There are 280 students enrolled in a finance course.
03 Apr 2018, 12:26
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souvonik2k
At a given school, the number of students enrolled in neither an accounting nor a finance course is how much greater than the number of students enrolled in both?
(1) There are 250 students enrolled in an accounting course.
(2) There are 280 students enrolled in a finance course.
(1) There are 250 students enrolled in an accounting course.
(2) There are 280 students enrolled in a finance course.
Let a = accounting only, b = finance only, c = both and d = none
By (1) a+b = 250, Answer not possible. as we need value of b and d
By (2) b+c = 280, Answer not possible. as we need value of b and d
Combining (1) and (2)
a+b = 250
b+c = 280
Still value of b and d cannot be obtained.
So answer is E.
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10 Sep 2019, 00:36
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souvonik2k
At a given school, the number of students enrolled in neither an accounting nor a finance course is how much greater than the number of students enrolled in both?
(1) There are 250 students enrolled in an accounting course.
(2) There are 280 students enrolled in a finance course.
(1) There are 250 students enrolled in an accounting course.
(2) There are 280 students enrolled in a finance course.
Official Explanation
We are given two logical categories: enrolled folks in accounting and those in finance. Those categories may overlap. So you can imagine a 2 x 2 table of possible statuses for any given individual, enrolled in just one, just the other, neither, or both. And the numbers in that 2 x 2 add up to appropriate total numbers in the rows and columns. We look at the statements. We know we will have to evaluate the statements separately, but we can tell at a glance that we don't have enough information here. We need way more information than is given by each statement individually or by either together. You could see this by writing out the table, or by considering the equation
T = G1 + G2 - B + N
Even with the statements combined, we are trying to solve one equation with three variables.
The correct answer is (E).
