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Опрос |
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GMAT/Data Sufficiency
A rectangular plot of land is represented on a map. What are the actual dimensions of the plot of land?
(1) The length of the rectangular figure on the map representing the actual plot of land is twice as long as the width.
(2) The map is drawn so that each ^ inch on the map represents an actual distance of 10 feet.
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 |
Е) if not enough facts are given to answer the question |
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Girls & Boys
Ms. Barton has four children. You are told correctly that she has at least two
girls but you are not told which two of her four children are those girls. What
is the probability that she also has two boys? (Assume that the probability of
having a boy is the same as the probability of having a girl.)
(A) 1/4
(B) 3/8
(C) 5/11
(D) 1/2
(E) 6/11
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