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Q:

Which one of the following statements is correct?

A) The oxidation number for hydrogen is always zero. B) The oxidation number for hydrogen is always + 1.
C) The oxidation number for hydrogen is always -1. D) Hydrogen can have more than one oxidation number.
 
Answer & Explanation Answer: D) Hydrogen can have more than one oxidation number.

Explanation:

Hydrogen has two possible oxidation numbers: +1 and -1.

-1 in case of hydrides.

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Filed Under: Chemistry
Exam Prep: Bank Exams

1 1439
Q:

What is the value of (tan30° - √3/2) ?

A) -1/2√3 B) (2√3-√6)/2√2
C) (2-√3)/2 D) 1/6
 
Answer & Explanation Answer: A) -1/2√3

Explanation:
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Filed Under: Simplification
Exam Prep: Bank Exams

0 1439
Q:

Fraction that lies between 2/5 and 4/9 is

A) 3/7 B) 3/4
C) 4/5 D) 1/2
 
Answer & Explanation Answer: A) 3/7

Explanation:
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Filed Under: Decimal Fractions
Exam Prep: Bank Exams

5 1439
Q:

Which of the following is NOT based on principle of relationship between volume and pressure of air?

A) Fountain pen B) Bicycle pump
C) Hand pump D) Pulley
 
Answer & Explanation Answer: D) Pulley

Explanation:
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Filed Under: Physics
Exam Prep: Bank Exams

1 1439
Q:

What is the mean of first hundred natural numbers?

A) 50 B) 50.5
C) 51.5 D) 51
 
Answer & Explanation Answer: B) 50.5

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

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Q:

Rearrange the jumbled letters to make meaningful words and then select the one which is different.

A) Lowely B) IFER
C) THIWE D) WRONB
 
Answer & Explanation Answer: B) IFER

Explanation:
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Filed Under: Logical Sequence of Words
Exam Prep: Bank Exams

3 1439
Q:

In the following question, a word has been written in four different ways out of which only one is correctly spelt. Select the correctly spelt word.

 

A) Dielema   B) Dilemma  
C) Dielemma   D) Dilemna
 
Answer & Explanation Answer: B) Dilemma  

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Filed Under: English
Exam Prep: Bank Exams

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Q:

A form of government that is often totalitarian and authoritarian and can led by the one person or many people -

A) Unitary B) Sovereign
C) Dictatorship D) Confederation
 
Answer & Explanation Answer: C) Dictatorship

Explanation:
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Filed Under: Indian Politics
Exam Prep: Bank Exams

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