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56% (01:05) correct
44%
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If x and y are positive integers, what is value of x?
(1) 5x + 4y = 19
(2) x + y = 4
(1) 5x + 4y = 19
(2) x + y = 4
05 May 2017, 07:28
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x = ?
St1: 5x + 4y = 19
Since x and y are positive integers, x = 3 and y = 1 is the only possible solution
Sufficient
St2: x + y = 4. We get multiple solutions, x = 1, 2 or 3
Not Sufficient
Answer: A
St1: 5x + 4y = 19
Since x and y are positive integers, x = 3 and y = 1 is the only possible solution
Sufficient
St2: x + y = 4. We get multiple solutions, x = 1, 2 or 3
Not Sufficient
Answer: A
05 May 2017, 11:34
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Statement (1) 5x + 4y = 19
The only combination of x & y that satisfies te above equation is x = 3 then y = 1
This statement is sufficient.
(2) x + y = 4
There are multiple combinations of X and Y that can satisfy the above equation
x = 1 Y = 3
X = 2 Y = 2
X = 3 Y = 1
This statement is not sufficient.
Answer is A
The only combination of x & y that satisfies te above equation is x = 3 then y = 1
This statement is sufficient.
(2) x + y = 4
There are multiple combinations of X and Y that can satisfy the above equation
x = 1 Y = 3
X = 2 Y = 2
X = 3 Y = 1
This statement is not sufficient.
Answer is A
