The type of flooring suitable for use in churches, theatres, public libraries and other places where noiseless floor covering is desired is?

LohaHridoy
  1. Cork flooring
  2. Glass flooring
  3. Wooden flooring
  4. Linoleum flooring

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AhmedNazir

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Answer: Option 1

Let'

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An empty fuel tank of a car was filled with A type petrol. When the tank was half-empty, it was filled with B type petrol. Again when the tank was half-empty, it was filled with A type petrol. When the tank was half-empty again, it was filled with B type petrol. What is the percentage of A type petrol at present in the tank?

Answer: Option 2 Let the capacity of the tank be 100 litres Initially: A type petrol = 100 litres After first operation: A type petrol = $$\frac{{100}}{2}$$ = 50 litres B type petrol =...

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An empty fuel tank of a car was filled with A type petrol. When the tank was half-empty, it was filled with B type petrol. Again when the tank was half-empty, it was filled with A type petrol. When the tank was half-empty again, it was filled with B type petrol. What is the percentage of A type petrol at present in the tank ?

Answer: Option 2 Let the capacity of the tank be 100 litres. Then, Initially : A type petrol = 100 litres After first operation : A type petrol = $$\left( {\frac{{100}}{{2}}} \right)$$ = 50 litres...

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what is the result of the following piece of code: public class Person{ public void talk(){ System.out.print("I am a Person"); } } public class Student extends Person{ public void talk(){ System.out.print("I am a Student"); } } public class Test{ public static void main(String args[]){ Person p = new Student(); p.talk(); } }?

Answer: Option 2 Let'

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What is the result of compiling and running the following code class Base{ public Base(){ System.out.print("Base"); } } public class Derived extends Base{ public Derived(){ this("Examveda"); System.out.print("Derived"); } public Derived(String s){ System.out.print(s); } public static void main(String[] args){ new Derived(); } }?

Answer: Option 3 1. new Derived(); statement executes and invoke the non-parametrized constructor of derived class i.e. public Derived(); 2. As Derived class is a subclass of class Base so super(); executes...

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What is the output for the below code import java.io.FileNotFoundException; class A{ public void printName() throws FileNotFoundException{ System.out.println("Value-A"); } } class B extends A{ public void printName() throws NullPointerException{ System.out.println("Name-B"); } } public class Test{ public static void main (String[] args) throws Exception{ A a = new B(); a.printName(); } }?

Answer: Option 3 The overriding method can throw any unchecked (runtime) exception, regardless of exception thrown by overridden method. NullPointerException is RuntimeException so compiler will not complain.

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What will be the output interface A{ public void method(); } class One{ public void method(){ System.out.println("Class One method"); } } class Two extends One implements A{ public void method(){ System.out.println("Class Two method"); } } public class Test extends Two{ public static void main(String[] args){ A a = new Two(); a.method(); } }?

Answer: Option 2 Let'

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What will be the result of compiling and executing the following program code class Vehicle{ public void printSound(){ System.out.print("vehicle"); } } class Car extends Vehicle{ public void printSound(){ System.out.print("car"); } } class Bike extends Vehicle{ public void printSound(){ System.out.print("bike"); } } public class Test{ public static void main(String[] args){ Vehicle v = new Car(); Bike b = (Bike) v; v.printSound(); b.printSound(); } }?

Answer: Option 2 Let'

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What will be the result after the class Test execution class A{ public void doA(){ B b = new B(); b.dobB(); System.out.print("doA"); } } class B{ public void dobB(){ C c = new C(); c.doC(); System.out.print("doB"); } } class C{ public void doC(){ if(true) throw new NullPointerException(); System.out.print("doC"); } } public class Test{ public static void main(String args[]){ try{ A a = new A(); a.doA(); }catch(Exception ex){ System.out.print("error"); } } }?

Answer: Option 4 Let'

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One morning Sujata started to walk towards the Sun. After covering some distance she turned to right then again to the right and after covering some distance she again turns to the right. Now in which direction is she facing?

Answer: Option 1 Hence finally Sujata will face towards North.

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Directions : Following question consists of a statement followed by three arguments I, II and III . You have to decide which of the arguments is a STRONG arguments and which is a WEAK Argument. Statement : Should the public sector undertakings be kilo wed to adopt hire and fire policy Arguments : I. Yes. This will help the public sector undertakings to get rid of non-performing employees and reward the performing employees. II. No. This will give an unjust handle to the management and they may use it indiscriminately. III. Yes. This will help increase the level of efficiency of these organizations and these will become profitable establishments.?

Answer: Option 4 'Hire and fire policy' implies 'taking up the performing employees and discarding the non-performing ones'. Clearly, such a policy would stand out to encourage employees to work...

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