Q:

Consider the following chemical reaction :

${aFe}_{2} O_{3} (s) + bCO (g) + cFe (s) + {dCO}_{2}$

In the balanced chemical equation of the above, which of the following will be the values of the coefficients a, b, c and d respectively?

A) 3, 2, 3, 1	B) 1, 3, 2, 3
C) 2, 3, 3, 1	D) 3, 3, 2, 1

Answer & Explanation Answer: B) 1, 3, 2, 3

Explanation:

Fe2O3 + 3CO = 2Fe + 3CO2

Hematite + Carbon Monoxide = Iron + Carbon Dioxide

In this reaction, the iron oxide is reduced to iron, and the carbon is oxidised to carbon dioxide.

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Filed Under: Chemistry
Exam Prep: Bank Exams

0 33181

Q:

Bats can fly in the dark because

A) they have a better vision in the dark	B) the light startles in them
C) they produce high pitched sounds called ultrasonics	D) none of the above

Answer & Explanation Answer: C) they produce high pitched sounds called ultrasonics

Explanation:

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Filed Under: General Awareness

162 33180

Q:

Where is RAM located?

A) Mother Board	B) Expansion Board
C) External Drive	D) None

Answer & Explanation Answer: A) Mother Board

Explanation:

RAM is located in The central processing unit (CPU), also called a processor, is located inside the computer case on the motherboard. It is sometimes called the brain of the computer, and its job is to carry out commands.

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Filed Under: Computer
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137 33180

Q:

Improve the bracketed part of the sentence.

The naughty boy made (many a mischief).

A) much mischief	B) many mischief
C) many a mischiefs	D) no improvement

Answer & Explanation Answer: A) much mischief

Explanation:

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Filed Under: English
Exam Prep: Bank Exams

0 33126

Q:

Select the antonym of

to inundate

A) to underwhelm	B) to glut
C) to deluge	D) to engulf

Answer & Explanation Answer: A) to underwhelm

Explanation:

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Filed Under: English
Exam Prep: Bank Exams

0 33027

Q:

Improve the given sentence if necessary.

I would rather have a noble enemy than a mean friend.

A) would more have	B) would have
C) will have	D) No improvement

Answer & Explanation Answer: D) No improvement

Explanation:

‘Rather’ is always followed by ‘Than’. Thus, the phrase ‘would rather have’ is grammatically correct. The correct formation would be, ‘I would rather have a noble enemy than a mean friend’.

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Filed Under: English
Exam Prep: Bank Exams

0 32996

Q:

main()

{

char s[ ] = "man";

int i;

for( i=0; s[ i ]; i++)

printf( "n%c%c%c%c", s[ i ], *(s+i), *(i+s), i[s] );

}

A) mmmm aaaa nnnn	B) aaaa mmmm nnnn
C) nnnn aaaa mmmm	D) None

Answer & Explanation Answer: A) mmmm aaaa nnnn

Explanation:

s[i], *(i+s), *(s+i), i[s] are all different ways of expressing the same idea.Generally array name is the base address for that array. Here s is the base address. i is the index number/displacement from the base address. So, indirecting it with * is same as s[i]. i[s] may be surprising. But in the case of C it is same as s[i].

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Filed Under: Programming

28 32983

Q:

Select the synonym of

to jeopardise

A) to chaperone	B) to picket
C) to imperil	D) to escort

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