Related Questions

A bidirectional relationship in class diagrams is described by________
A double-headed arrow
B visibility symbols
C single-headed arrow
D double diamond
In country A, the first 1,000 dollar of any inheritance are untaxed. After the first 1,000 dollar, inheritances are taxed at rate of 65%. How large must an inheritance be, to the nearest dollar, in order to amount to 2,500 dollar after the inheritance tax?
A 7,143
B 5,286
C 4,475
D 3,475
Iron and manganese present as pollutants in water cannot be removed by________
A Oxidation followed by settling and filtration
B Chlorination
C Ion exchange process
D Lime soda process or manganese zeolite process
Which one of the following is displayed below the class name in the class diagrams?
A Functions
B Methods
C Attributes
The ratio of boys to girls in class A is 3 to 4 . The ratio of boys to girls in class B is 4 to 5 . If the two classes were combined, the ratio of boys to girls in class B is two less than the number of girls in class A. How many girls are in class A?
A 87
B 11
C 12
D 15
Three maths classes: X, Y, and Z take an algebra test. The average score of class X is 83. The average score of class Y is 76. The average score of class Z is 85. The average score of class X and Y is 79 and the average score of class Y and Z is 81. What is the average score of the combined classes X, Y, and Z?
A 81
B 81.5
C 82
D 84.5
_________ are used in class diagrams to describe the way in which specific elements should be used.
A Attributes
B Constraints
C Constants
D Class Names
Inheritance is the means by which one or more classes can be derived from a/an ___ class.
A base
B abstract
C null
D predefined
Half the graduating class of a college was accepted by a business school. One-third of the class was accepted by a law school. It one-fifth of the class was accepted by both types of school, what fraction of the class was accepted only by a law school?
A 2/15
B 1/6
C 1/3
D 1/2
At the beginning of a class period, half of the students in a class go to the library. Later in the period, half of the remaining students go to the computer lab. If there are 5 students remaining in the class, how many students were originally in the class?
A 12
B 16
C 24
D 32

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