Practice Question and Answer
8 Q: The average of 19 numbers is 24. If each number is multiplied by 3, what is the new average?
1872 0603741dc9792c13b28582120
603741dc9792c13b28582120- 127false
- 272true
- 348false
- 496false
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Answer : 2. "72"
Q: What should come in place of question mark (?) in the following number series? 38, 195, ?, 4905, 24530, 122655 1872 05b5cc6c4e4d2b4197774dcd2
5b5cc6c4e4d2b4197774dcd2- 1980true
- 2885false
- 3824false
- 41021false
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Answer : 1. "980"
Explanation :
Answer: A) 980 Explanation: The given series follows the pattern that, ×5+5, ×5+5, ×5+5, ×5+5, ×5+5 38 x 5 + 5 = 195 195 x 5 + 5 = 980 980 x 5 + 5 = 4905 4905 x 5 + 5 = 24530 24530 x 5 + 5 = 122655 So the missing number is 980 .
Q:Identify the segment in the sentence which contains the grammatical error.
The population of Sri Lanka are less than that of India.
1872 0611b7f1f6d0fd147810fed07
611b7f1f6d0fd147810fed07- 1than thatfalse
- 2Sri Lanka aretrue
- 3of Indiafalse
- 4The populationfalse
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Answer : 2. "Sri Lanka are"
Q: Find the average of the following set of numbers.
132, 148, 164, 128, 120, 136
1872 060336416ed952b1532dcf965
60336416ed952b1532dcf965132, 148, 164, 128, 120, 136
- 1138true
- 2144false
- 3142false
- 4136false
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Answer : 1. "138"
Q: How is 'Power' interpreted?
1872 05db2b0f04c6b184b527d4508
5db2b0f04c6b184b527d4508- 1Work done in energy transferfalse
- 2Working rate or energy transfer ratetrue
- 3Work done in a minutefalse
- 4Superimposed forcefalse
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Answer : 2. "Working rate or energy transfer rate"
Q: What is the difference between an Interface and an Abstract class ? 1872 05b5cc7cee4d2b41977751108
5b5cc7cee4d2b41977751108- Show AnswerHide Answer
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Answer :
Explanation :
1.Main difference is methods of a Java interface are implicitly abstract and cannot have implementations. A Java abstract class can have instance methods that implements a default behavior. 2.Variables declared in a Java interface is by default final. An abstract class may contain non-final variables. 3.Members of a Java interface are public by default. A Java abstract class can have the usual flavors of class members like private, protected, etc.. 4.Java interface should be implemented using keyword “implements”; A Java abstract class should be extended using keyword “extends”. 5.An interface can extend another Java interface only, an abstract class can extend another Java class and implement multiple Java interfaces. 6.A Java class can implement multiple interfaces but it can extend only one abstract class. 7.Interface is absolutely abstract and cannot be instantiated; A Java abstract class also cannot be instantiated, but can be invoked if a main() exists. 8.In comparison with java abstract classes, java interfaces are slow as it requires extra indirection.
Q: Guess the Word in WordPuzzle challenge ? 1872 05b5cc6d0e4d2b4197774e397
5b5cc6d0e4d2b4197774e397- 1Managementtrue
- 2Managmentfalse
- 3Managerfalse
- 4Nonefalse
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Answer : 1. "Management"
Explanation :
Answer: A) Management Explanation: From the given hints, MANAGEMENT satisfies.
Q: Which state become the second state to accept online applications by launching e-RTI portal ? 1872 05b5cc6d1e4d2b4197774e3ca
5b5cc6d1e4d2b4197774e3ca- 1Maharashtrafalse
- 2Telanganafalse
- 3Haryanafalse
- 4Delhitrue
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Answer : 4. "Delhi"
Explanation :
Answer: D) Delhi Explanation: 1. Filing an RTI application with the Delhi government is now just a click away. Delhi became the second state to launch e-RTI portal that will enable citizens to file online Right to Information (RTI). Maharashtra is the first state to launch the online RTI platform. 2. The portal launched recently will enable citizens to file RTI and seek information related to 172 departments of the Delhi government including the office of the CM and his ministers. 3. The e-RTI portal, which has been designed by the National Informatics Centre (NIC), includes filling of application, payment of fees and getting replies online.

