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Опрос |
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GMAT/Data Sufficiency
Does x = 15?
(1) The average of x, y, and z is 5.
(2) y = -z
A) if statement I alone is sufficient to answer the question, but statement 2 alone is not sufficient
B) if statement 2 alone is sufficient to answer the question, but statement I alone is not sufficient
C) if both statements together are needed to answer the question, but neither statement alone Is sufficient
D) if either statement by itself is sufficient to answer the question
E) if not enough facts are given to answer the question
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| Решение |
C) both statements together are needed to answer the question, but neither statement alone is sufficient |
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All high-powered racing engines have stochastic fuel injection. Stochastic fuel
injection is not a feature that is normally included in the engines of
production-line vehicles. Passenger sedans are production-line vehicles.
Which of the following conclusions can be drawn from these statements?
A) Passenger sedans do not usually have stochastic fuel injection.
B) Stochastic fuel injection is found only in high-powered racing cars.
C) Car manufacturers do not include stochastic fuel injection in passenger cars
because they fear accidents.
D) Purchasers of passenger cars do not normally purchase stochastic fuel
injection because it is expensive.
E) Some passenger sedans are high-powered racing vehicles.
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Вверх 
