General Knowledge Questions

Q:

Which among the following determines the pitch of a sound?

A) Amplitude B) Frequency
C) Loudness D) Wavelength
 
Answer & Explanation Answer: B) Frequency

Explanation:
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Q:

Consider the following statements with respect to Bitcoins or 'cryptocurrencies' as they are commonly known; I. Bitcoin is a decentralized electronic payment system II. Only a finite number of bitcoins can be created by miners III. Bitcoins are indivisible units of currency IV. Every single bitcoin transaction is recorded in a ledger called the blockchain. Which of the above statements are correct?

A) (i), (ii) and (iii) B) (i), (iii) and (iv)
C) (i), (ii) and (iv) D) (i), (ii), (iii) and (iv)
 
Answer & Explanation Answer: C) (i), (ii) and (iv)

Explanation:

A software developer called Satoshi Nakamoto proposed bitcoin, which was an electronic payment system based on mathematical proof. The idea was to produce a currency independent of any central authority, transferable electronically, more or less instantly, with very low transaction fees. Bitcoin’s most important characteristic, and the thing that makes it different to conventional money, is that it is decentralized. Bitcoin is created digitally, by a community of people that anyone canjoin. Bitcoins are ‘mined’, using computing power in a distributed network.This network also processes transactions made with the virtual currency, effectively making bitcoin its own payment network.The bitcoin protocol –the rules that make bitcoin work –say that only 21 million bitcoins can ever be created by miners. However, these coins can be divided into smaller parts (the smallest divisible amount is one hundred millionth of a bitcoin and is called a ‘Satoshi’, after the founder of bitcoin). Bitcoin stores details of every single transaction that ever happened in the network in a huge version of a general ledger, called the blockchain.

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Q:

In an optical fibre the signal is transmitted

A) in a straight line path B) In a curved path
C) due to total internal reflection D) Due to refraction
 
Answer & Explanation Answer: D) Due to refraction

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Q:

In the following question, out of the four alternatives, select the alternative which is the best substitute of the words/sentence.


Exercising a compelling charm which inspires devotion in others

A) Vile   B)  Charismatic  
C) Offensive   D)  Odious
 
Answer & Explanation Answer: B)  Charismatic  

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Q:

In the following question, four words are given out of which one word is correctly spelt. Select the correctly spelt word.

 

A) unattractiveness   B) unatrractiveness  
C) unattracttiveness   D) unatrracttiveness
 
Answer & Explanation Answer: A) unattractiveness  

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Q:

SMTP in computer science stands for?

A) Simple Markup Transfer Protocol B) Systems Mail Transfer Protocol
C) Simple Mail Transfer Protocol D) Systems Memory Transfer Protocol
 
Answer & Explanation Answer: C) Simple Mail Transfer Protocol

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Q:

In the following question, a sentence has been given in Direct/Indirect speech. Out of the four alternatives suggested, select the one which best expresses the same sentence in Indirect/Direct speech.

 

Aunt said to mother, "I will be in Surat on Friday."

 

A) Aunt told mother that she will be in Surat on Friday. B) Aunt told mother she would be in Surat on Friday.
C) Aunt told mother she will be in Surat on Friday. D) Aunt told mother that she would be in Surat on Friday.
 
Answer & Explanation Answer: D) Aunt told mother that she would be in Surat on Friday.

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Q:

In the following question, a sentence has been given in Direct/Indirect speech. Out of the four alternatives suggested, select the one which best expresses the same sentence in Indirect/Direct speech.

 

My father said to me, "Don't talk to your mother like that."

 

A) My father warns me not to talk to my mother like that. B) My father warned me not to talk to my mother like that.
C) My father warned me not to have talked to my mother like that. D) My father warns me not to have talked to my mother like that.
 
Answer & Explanation Answer: B) My father warned me not to talk to my mother like that.

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