Related Questions

In which of the following can many entity instances of one type be related to many entity instances of another type?
A One-to-One Relationship
B One-to-Many Relationship
C Many-to-Many Relationship
D Composite Relationship
Atleast how many abstract methods must an abstract class contain?
A None
B One
C Two
D Five
Which of the following declares an abstract method in an abstract Java class?
A public abstract method();
B public abstract void method();
C public void abstract Method();
D public void method() {}
E public abstract void method() {}
The object whose properties are inherited by all instances of the class, and properties whose values are functions behaving like instance methods of the class, is
A Instance object
B Constructor object
C Destructor object
D Prototype object
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
Which of the following class definitions defines a legal abstract class?
A class A { abstract void unfinished() { } }
B class A { abstract void unfinished(); }
C abstract class A { abstract void unfinished(); }
D public class abstract A { abstract void unfinished(); }
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
In a class of 120 students, 60 percent can speak French and the rest can speak only English. If 25 percent of those in the class who can speak French can also speak English, how many of the students in the class can speak English?
A 54
B 60
C 66
D 84
In a class of 120 students. 60 percent can speak French and the rest can speak English only. If 25 percent of those in the class who can speak French can also speak English, how many of the students in the class can speak English?
A 54
B 60
C 66
D 84
In a class of 120 students. 60 percent can speak English and the rest can speak only Bengali. If 25 percent of those in the class who can speak English can also speak Bengali, how many of the students in the class can speak Bengali?
A 54
B 60
C 66
D 84

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