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Q:

Which one of the following statements is not correct?

A) The response of the ear to sound of increasing intensity is approximately logarithmic. B) The sensitivity of the human ear does not vary with the frequency of the sound.
C) When two or more waves traverse the same medium, the displacement of any element of the medium is the algebraic sum of the displacements due to each wave. D) Longitudinal waves can travel in all media-solids, liquids and gases.
 
Answer & Explanation Answer: B) The sensitivity of the human ear does not vary with the frequency of the sound.

Explanation:

The human ear can respond to minute pressure variations inthe air if they are in the audible frequency range, roughly 20 Hz -20 kHz. In fact, tests conducted show an increased sensitivity in the 3000 Hz range which is the optimal amplification frequency in the human ear. So, the sensitivity of the human ear varies with the frequency of the sound.

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Filed Under: Physics
Exam Prep: Bank Exams

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Q:

In the following question, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.

 

Anita ______ her work by the time he came.

 

A) had done B) has done
C) is done D) would done
 
Answer & Explanation Answer: A) had done

Explanation:
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Filed Under: English
Exam Prep: Bank Exams

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Q:

Which one of the following does not belong to the group?

A) Android B) BADA
C) DOS D) Symbian
 
Answer & Explanation Answer: C) DOS

Explanation:
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Filed Under: Computer
Exam Prep: Bank Exams

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Q:

Two numbers are in the ratio 4:5 and their HCF is 13. Their LCM is

A) 260 B) 52
C) 65 D) 265
 
Answer & Explanation Answer: A) 260

Explanation:
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Filed Under: HCF and LCM
Exam Prep: Bank Exams

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Q:

Find the odd statement out in relation to firewall.

A) Firewall can be a software B) Firewall can be a hardware
C) Firewall can be a combination of software & hardware D) Firewall protects computer from fire
 
Answer & Explanation Answer: C) Firewall can be a combination of software & hardware

Explanation:
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Filed Under: Computer
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.

 

The new claim that ______________ out of misplaced confidence that all that is in education can be ______________ is that the ‘per unit cost of outcome’ is lower in private schools. Meaning that even _________ the learning outcomes of private schools are not better _____________ the public schools, the cost _______________ running private schools is much lower.

 

Meaning that even _________ the learning outcomes of private schools

 

A) if B)
C) D)
 
Answer & Explanation Answer: A) if

Explanation:
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Filed Under: English
Exam Prep: Bank Exams

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Q:

Which of the following numbers is not a prime number?

A) 197 B) 313
C) 439 D) 391
 
Answer & Explanation Answer: D) 391

Explanation:
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Filed Under: Problems on Numbers
Exam Prep: Bank Exams

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Q:

The sum of two numbers is 25 and sum of their square is 313. Calculate the numbers.

A) 15, 10 B) 18, 7
C) 11, 14 D) 12, 13
 
Answer & Explanation Answer: D) 12, 13

Explanation:
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Filed Under: Problems on Numbers
Exam Prep: Bank Exams , CAT

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