Value of x in 5x − 10 = 0? (1) x is rational (2) 5x = 10
AStatement (1) alone is sufficient; (2) is not.
BStatement (2) alone is sufficient; (1) is not.
CBoth statements together are sufficient; neither alone is.
DEach statement alone is sufficient.
EStatements together are not sufficient.
Answer & Solution
Correct answer: B. Statement (2) alone is sufficient; (1) is not.
1. (2) directly: x = 2.
_Source: 501-GMAT-Questions Ch DS / Manhattan Quant Bank_
Related questions
How many students passed?
(1) 30 students total
(2) 60% passedIs 1/x > 1?
(1) x is positive
(2) x < 1Are sets A and B disjoint?
(1) A ∩ B = ∅
(2) A and B nonemptyHow old is John?
(1) Twice his age 4 years ago = 20
(2) He is older than 12Is the rectangle a square?
(1) Perimeter = 20
(2) All sides equalAre the lines perpendicular?
(1) Slopes are m and −1/m
(2) Slopes are 2 and −1/2Is the integer p prime?
(1) p has exactly 2 divisors
(2) p > 2What is x + y?
(1) x = 4
(2) x + 2y = 10