[計量] GWD-19
GWD-19
Q6.
An analyst will recommend a combination of 3 industrial stocks, 2
transportation stocks, and 2 utility stocks. If the analyst can choose
from 4 industrial stocks, 4 transportation stocks, and 3 utility stocks,
how many different combinations of 7 stocks are possible?
Q17.
A certain right circular cylinder has a radius of 5 inches. There is a
kind of liquid filled in this cylinder to the height of 9 inches. If this
liquid is poured completely into a second right cylinder, then the liquid
will fill the second cylinder to the height of 4 inches. What is the radius
of the second cylinder, in inches?
Q20.
A retailer bought a machine at a wholesale price of $90 and later on sold
it after a 10% discount of the retail price. If the retailer made a profit
equivalent to 20% of the wholesale price, what is the retail price of the
machine?
Q26.
How many different 6-letter sequences are there that consist of
1A, 2B's, and 3C's ?
Q27.
A pharmaceutical company received $3 million in royalties on the first
$20 million in sales of the generic equivalent of one of its products
and then $9 million in royalties on the next $108 million in sale. By
approximately what percent did the ratio of royalties to sales decrease
from the $20 million in sales to the next $108 million in sales?
Q29.
Is the integer n odd?
(1) n is divisible by 3.
(2) 2n is divisible by twice as many positive integers as n.
Q37.
A club with a total membership of 30 has formed 3 committees, M,S and R,
which have 8, 12, and 5 members, respectively. If no member of committee M
is on either of the other 2 committees, what is the greatest possible
number of members in the club who are on none of the committees?
拜託大家了 ~真的拜託了Orz
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