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Q:

Two electric bulbs marked 25W – 220V and 100W – 220V are connected in series to a 440Vsupply. Which of the bulbs will fuse?

A) 25 W B) Both
C) 100 W D) Neither
 
Answer & Explanation Answer: A) 25 W

Explanation:

Resistances of both the bulbs are

 

R1=V^2/P1 = 220^2/25

 

R2 = V^2/P2 = 220^2/100

 

Hence  R1gt ; R2

 

When connected in series, the voltages divide in them in the ratio of their resistances. The voltage of 440 V devides in such a way that voltage across 25 w bulb will be more than 220 V. Hence 25 w bulb will fuse.

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Filed Under: Physics
Exam Prep: AIEEE

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Q:

Name the first Indian businessman who found place in the cover story of Forbes magazine

A) Anil Ambani B) Dr Reddy
C) Azim Hasham Premji D) Narayan Murthy
 
Answer & Explanation Answer: C) Azim Hasham Premji

Explanation:
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Filed Under: Business Awareness

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Q:

Pick the odd man out

1 4 16 64 126

A) 1 B) 4
C) 64 D) 126
 
Answer & Explanation Answer: D) 126

Explanation:

1*3+1=4

4*3+4=16

16*3+16=64

64*3+64=208 but it is given 126

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Filed Under: Verbal Reasoning - Mental Ability

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Q:

Improve the bracketed part of the sentence.

The Chairman appointed her (as a secretary) as she is efficient.

A) a secretary B) as secretary
C) secretary D) No improvement
 
Answer & Explanation Answer: D) No improvement

Explanation:
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Filed Under: English
Exam Prep: Bank Exams

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Q:

D.D.T. was invented by

A) Paul Muller B) John Dalton
C) Rudolf D) None of these
 
Answer & Explanation Answer: A) Paul Muller

Explanation:

Swiss chemist Paul Hermann Muller discovered DDT (dichloro-diphenyl-trichloroethane) noted its effectiveness as a pesticide during World War II to control malaria and typhus among civilians and troops, a discovery that earned him a Nobel Prize in 1948.

 

It was first synthesized in the year 1874.

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Filed Under: Inventions
Exam Prep: AIEEE , Bank Exams
Job Role: Analyst , Bank Clerk , Bank PO

63 23709
Q:

The 2017 Indian Premier League (IPL 2017) first match on 5 April, 2017 was held in ?

A) Banglore B) Delhi
C) Hyderabad D) Kolkata
 
Answer & Explanation Answer: C) Hyderabad

Explanation:

The 2017 Indian Premier League is scheduled to start on 5th April 2017 and finish on 21 May 2017. The opening match and the final will be played at the Rajiv Gandhi International Cricket Stadium in Hyderabad.

The first match was between Sun Risers Hyderabad and Royal Challengers Banglore.

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Filed Under: Sports

211 23648
Q:

The magnitude of the gravitational force will be equal to the _________.

 

A) product of mass and acceleration due to the gravitational force   B) ratio of mass and acceleration due to the gravitational force
C) ratio of acceleration due to the gravitational force and mass D) reciprocal of product of mass and acceleration due to the gravitational force  
 
Answer & Explanation Answer: A) product of mass and acceleration due to the gravitational force  

Explanation:
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Filed Under: Physics
Exam Prep: Bank Exams

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Q:

Read each sentence to find out whether there is any error in any part

As I was leaving for Delhi(a), he asked me whether(b) I could buy a tape recorder for him(c). No error.(d)

A) a B) b
C) c D) d
 
Answer & Explanation Answer: D) d

Explanation:
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Filed Under: English
Exam Prep: Bank Exams

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