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Q:

enum colors {BLACK,BLUE,GREEN}

main()

{

printf( "%d..%d..%d", BLACK, BLUE, GREEN );

return(1);

}

A) 1..2..3 B) 0..1..2
C) 1..1..1 D) 0..0..0
 
Answer & Explanation Answer: B) 0..1..2

Explanation:

enum assigns numbers starting from 0, if not explicitly defined.

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Filed Under: Programming

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

Q:

Which was the 1st non test playing country to beat India in an international match

A) Canada B) Sri Lanka
C) Zimbabwe D) East Africa
 
Answer & Explanation Answer: B) Sri Lanka

Explanation:
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Filed Under: Sports

Q:

Who was first president of BCCI

A) R.E. Grant Govan B) Dr. Maharajkumar Sir Vijaya Ananda
C) Sikandar Hyat Khan D) Anthony S.D'Mello
 
Answer & Explanation Answer: A) R.E. Grant Govan

Explanation:
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Filed Under: Sports

Q:

Albert invested an amount of Rs.8000 in a fixed deposit scheme for 2 years at compound interest rate 5 p.c.p.a. How much amount will Albert get on maturity of the fixed deposit ?

A) Rs.8600 B) Rs.8830
C) Rs.8500 D) Rs.8820
 
Answer & Explanation Answer: D) Rs.8820

Explanation:

Amount

=Rs.[8000x(1+5/100)²]

= Rs.[8000 x 21/20x21/20]

= Rs.8820. 

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Filed Under: Compound Interest
Exam Prep: Bank Exams
Job Role: Bank PO

Q:

In the match between India and Pakistan at Jaipur on 02-10-1983, which new rule was introduced

A) Limit of overs wes reduced to 50 overs B) The rule of field restriction was taken
C) over throw runs were batsmans score D) Noballs & wides were debited to bowlers analysis
 
Answer & Explanation Answer: D) Noballs & wides were debited to bowlers analysis

Explanation:
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Filed Under: Sports

Q:

Hydrogen atom is excited from ground state to another state with principal quantum number equal to 4. Then the number of spectral lines in the emission spectra will be

A) 2 B) 6
C) 5 D) 3
 
Answer & Explanation Answer: B) 6

Explanation:

Number of spectral lines from a state n to ground state is

 

                   n(n-1)/2 = 6

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Filed Under: Physics
Exam Prep: AIEEE

Q:

How many Regional Commissions are established by the UN Economic and Social Council

A) 2 B) 3
C) 5 D) 1
 
Answer & Explanation Answer: C) 5

Explanation:
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Filed Under: World Organisations