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Q:

Which of the following is not true about tape storage?

A) A benefit of tape is that it allows for nonsequential access. B) A benefit of tape is that it allows for sequential access.
C) Both A & B D) None of the above
 
Answer & Explanation Answer: A) A benefit of tape is that it allows for nonsequential access.

Explanation:
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Filed Under: Computer
Exam Prep: AIEEE , Bank Exams , CAT
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Q:

India's rank in 2018 Oxfam World Inequality Index-

A) 133 B) 147
C) 157 D) 127
 
Answer & Explanation Answer: B) 147

Explanation:

Oxfam International's is a UK based charity 'Commitment to Reducing Inequality (CRI) Index' ranks India in bottom 12 of its research. India ranks 147 among 157 countries in Inequality Index.

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Q:

A bag contains 25 paise, 50 paise and 1 Rs coins. There are 220 coinsinall and the total amount in the bag is Rs. 160. If there arethrice as many 1 Rs. coins as there are 25 paise coins, then what is the number of 50 paise coins?

A) 60 B) 40
C) 120 D) 80
 
Answer & Explanation Answer: A) 60

Explanation:

Let there be x one rupee coin, y 50 paise coin, z 25 paise coinx + y + z = 220......(i)

Total amount = 160

Now, x + (y/2) + z = 160 ......(ii)

⇒4x + 2y + z = 640

Thrice as many 1 re coin as 25 paise

⇒x = 3z ......(iii)

On solving equation (i), (ii) and (iii), we get

z = 40x= 3* 40 = 120y = 220 –(120 + 40 ) = 60

So, 50 paise coin =60

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

The average weight of 100 students is 32 kg. The average weight of first 49 students is 30 kg and of last 50 students is 34 kg. What is the weight (in kg) of the 50th student?

A) 25 B) 30
C) 32 D) 33
 
Answer & Explanation Answer: B) 30

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Exam Prep: Bank Exams

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Q:

The passage of an electric current through a conducting liquid causes ___________.

A) Galvanisation B) Evaporation
C) Physical Reaction D) Chemical Reaction
 
Answer & Explanation Answer: D) Chemical Reaction

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Filed Under: Chemistry
Exam Prep: Bank Exams

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Q:

What is the value of  4cos90-A sin390+A - 4sin90+A cos390-Acos180+8A2 ?

A) 1 B) -1
C) 0 D) 2
 
Answer & Explanation Answer: B) -1

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Filed Under: Simplification
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Q:

A batsman scores 87 runs in the 21st match of his career. His average runs per match increases by 2. What was his average before the 21st match.

A) 45 B) 46
C) 44 D) 43
 
Answer & Explanation Answer: A) 45

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Q:

Acceleration is the rate of change of

A) Speed B) Velocity
C) Jerk D) Jounce
 
Answer & Explanation Answer: B) Velocity

Explanation:

The rate of change of velocity is called as Acceleration.

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Filed Under: Physics
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