西工骗我青春-----外企数学能力英文模拟试卷

西工骗我青春

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单选题 ( 共有 10 题， 每题 10 分，共 100 分 )
1．If Mario was 32 years old 8 years ago, how old was he x years ago?

A．x – 40
B．x – 24
C．40 – x
D．24 – x

2．Running at the same constant rate, 6 identical machine can produce a total of 270 bottles per minute. At this rate, how many bottles could 10 such machines produce in 4 minutes?

A．648
B．1,800
C．2,700
D．10,800

3．A restaurant meal cost $35.50 and there was no tax. If the tip was more than 10 percent but less than 15 percent of the cost of the meal then the total amount paid must have been between :

A．$40 and $42
B．$39 and $41
C．$38 and $40
D．$37 and $39

4．Of the five coordinates associated with points A, B, C, D, and E on the number line above, which has the greatest absolute value?

A．A
B．B
C．C
D．E

5．In a weight-lifting competition, the total weight of Joe’s two lifts was 750 pounds. If twice the weight of his first lift was 300 pounds more than the weight of his second lift, what was the weight, in pounds, of his first lift?

A．225
B．275
C．325
D．350

6．The number 2 – 0.5 is how many times the number 1 – 0.5?

A．2
B．2.5
C．3
D．3.5

7．A union contract specifies a 6 percent salary increase plus a $450 bonus for each employee. For a certain employee, this is equivalent to an 8 percent salary increase. What was this employee’s salary before the new contract?

A．$21,500
B．$22,500
C．$23,500
D．$24,300

8．If the length and width of a rectangular garden plot were each increased by 20 percent, what would be the percent increase in the area of the plot?

A．20%
B．36%
C．40%
D．44%

9．If b<2 and 2x-3b = 0, which of the following must be true?

A．x > -3
B．x < 2
C．x = 3
D．x < 3

10．The trapezoid shown in the figure above represents a cross section of the rudder of a ship. If the distance from A to B is 13 feet, what is the area of the cross section of the rudder in square feet?

A．39
B．40
C．42
D．45