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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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Filed Under: Indian Economy

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Q:

In this section, each of the following sentences has a blank space and four words are given below it. select the word or group of words you consider most appropriate for the blank space and indicate your response on the Answer Sheet accordingly.

In this University, there is no __________ for awarding scholarships on the basic of merit in examination alone.

A) precedent B) opportunity
C) chance D) possibility
 
Answer & Explanation Answer: A) precedent

Explanation:

Precedent means prior arrangement; no other option is suitable. Opportunity means a favorable juncture of circumstances. Chance is a synonym for opportunity, it also means something that happens without intension. possibility is the condition of being possible.

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Filed Under: English
Exam Prep: Bank Exams

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Q:

In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.

 

Once ______________, it is that time of the year when the examination results season may be just ending and the admissions season is in progress, and marked by a _________________ of two contradictory voices — often from the same people — that rose to deafening ____________ from April to May when the results of various school boards _________________. The first voice __________________ those who succeeded and did wondrously well.

 

rose to deafening ____________ from April to May

 

A) level B) levels
C) height D) crescendos
 
Answer & Explanation Answer: B) levels

Explanation:
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Filed Under: English
Exam Prep: Bank Exams

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Q:

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No Error'.

 

He built the theatre as a tribute to his rootings (1)/ and the thought of it outlasting him, (2)/ would surely have given him the greatest joy. (3)/ No error. (4)

 

A) 1 B) 2
C) 3 D) 4
 
Answer & Explanation Answer: A) 1

Explanation:
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Filed Under: English
Exam Prep: Bank Exams

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Q:

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No Error'.
The after morning (1)/ she woke to the first ray of (2)/ light through the window. (3)/No Error (4)

A) 1 B) 2
C) 3 D) 4
 
Answer & Explanation Answer: A) 1

Explanation:
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Filed Under: English
Exam Prep: Bank Exams

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Q:

If an object is placed at the center of curvature of a concave mirror, then the image formed will be

A) virtual and enlarged B) virtual and diminished
C) real and of the same size D) real and enlarged
 
Answer & Explanation Answer: C) real and of the same size

Explanation:
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Filed Under: Physics
Exam Prep: Bank Exams

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Q:

Which is the venue of the ‘Exercise Desert Knight 21’?

A) Jodhpur B) Kolkata
C) Goa D) Andaman and Nicobar Islands
 
Answer & Explanation Answer: A) Jodhpur

Explanation:
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Filed Under: General Awareness
Exam Prep: Bank Exams

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Q:

Consider the following statement :“If you feel you are trapped in a black hole, don’t give up. There is a way out “Who among the following made the above statement?

A) Albert Einstein B) Stephen Hawking
C) C. V. Raman D) Abdus Salam
 
Answer & Explanation Answer: B) Stephen Hawking

Explanation:

"If you feel you are trapped in a black hole, don't give up. There is a way out." —Stephen Hawking.

 

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Filed Under: General Awareness
Exam Prep: Bank Exams

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