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Q:

Two smaller circles touch a large circle internally and pass through the center O of the larger circle. If the diameter of the bigger circle is 28 cm, thenwhat is the area of the bigger circle which is not enclosed by the two smaller circles (in sq.cm)?

A) 154 B) 256
C) 308 D) 616
 
Answer & Explanation Answer: C) 308

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Filed Under: Quantitative Aptitude - Arithmetic Ability
Exam Prep: Bank Exams

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Q:

What is the simplified value of (cosec A + sin A)(cosec A – sin A)?

A) cos2A + cot2A B) 2 cos2A
C) 2 cot2A D) 2 cos A cot A
 
Answer & Explanation Answer: A) cos2A + cot2A

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Filed Under: Quantitative Aptitude - Arithmetic Ability
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Q:

A and B are standing at place "P". They start moving in the opposite directions at the speed of 5 Kmph and 4 Kmph respectively. What will be the distance between them after 3 hours?

A) 3 kms B) 21 kms
C) 18 kms D) 27 kms
 
Answer & Explanation Answer: D) 27 kms

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Filed Under: Verbal Reasoning - Mental Ability

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Q:

If 'S' is related to 'Red', 'N' is related to 'Purple'. In the same way 'J' is related to which of the following?

A) Brown B) Pink
C) Black D) Green
 
Answer & Explanation Answer:

Explanation:

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Filed Under: Verbal Reasoning - Mental Ability
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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

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Filed Under: English
Exam Prep: Bank Exams

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Q:

A sentence has been given in Direct/Indirect Speech. Out of the four given alternatives, select the one which best expresses the same sentence in Indirect/Direct Speech.

 

The princess said, “Whom do you consider the happiest person living?”

 

A) The princess asked me whom I considered the happiest person living.   B) The princess asked about the happiest person living.  
C) The princess asked who is the happiest person living now. D) The princess enquired about the happiest person living.
 
Answer & Explanation Answer: A) The princess asked me whom I considered the happiest person living.  

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Filed Under: English
Exam Prep: Bank Exams , GRE , TOEFL

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Q:

The attenuation in optical fibre is mainly due to

A) Scattering B) Absorption
C) Both (a) and (b) D) Neither absorption nor scattering
 
Answer & Explanation Answer: A) Scattering

Explanation:

The reason for transmitting data over optical fibers, is because the speed of data transmission through optical wires are equal to the speed of light. The intense speed of data transfer speed, has lead to the use of optical fibers. The optical fiber uses the technology of transferring light beams, from one end to the other end of optical cables. The attenuation in optical fiber is due to Scattering. The reason why scattering is caused, due to the folding, in the wire.

 

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Filed Under: Physics
Exam Prep: Bank Exams , CAT

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Q:

What will be the value of the kinetic energy (Ek) of a moving body with mass m, if its speed is doubled from v to 2v?

A) 1/2 Ek B) 4 Ek
C) There will be no change in Ek D) 2 Ek
 
Answer & Explanation Answer: B) 4 Ek

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Filed Under: Physics
Exam Prep: Bank Exams

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