- Pre-empirical
- Descriptive method
- Experimental method
- Qualitative method
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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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When a research problem is related to heterogeneous population, the most suitable sampling method is?
Answer: Option 2 When a research problem is related to heterogeneous population, the most suitable sampling method is stratified sampling.
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What will be the output class A{ static void method(){ System.out.println("Class A method"); } } class B extends A{ static void method(){ System.out.println("Class B method"); } } public class Test{ public static void main(String args[]){ A a = new B(); a.method(); } }?
Answer: Option 1 Overriding in Java simply means that the particular method would be called based on the run time type of the object and not on the compile time...
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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 output class Parent{ public void method(){ System.out.println("Hi i am parent"); } } public class Child extends Parent{ protected void method(){ System.out.println("Hi i am Child"); } public static void main(String args[]){ Child child = new Child(); child.method(); } }?
Answer: Option 3 We cannot reduce the visibility of the inherited method from super class. If the overridden or hidden method is public, then the overriding or hiding method must...
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Directions : Each of the following question consists of a statement followed by two arguments I and II. You have to decide which of the arguments is a STRONG arguments and which is a WEAK Argument. Statement : Should there be no place of interview in selection Arguments : I. Yes, it is very subjective in assessment. II. No. It is the only instrument to judge candidates' motives and personality.?
Answer: Option 1 Clearly, besides interview, there can be other modes of written examination to judge candidates' motives. So argument II is not strong enough. However, the interview is a...
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Which form of research is concerned with describing, explaining and predicting natural phenomena and relies only on experience and observation?
Answer: Option 4 Fundamental research is concerned with describing, explaining and predicting natural phenomena and relies only on experience and observation.
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Which type of research method is normally employed by the media?
Answer: Option 2 Media research methods are the practical procedures for carrying out a research project. These methods include content analysis, surveys, focus groups, experiments, and participant observation. Research methods...
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