Bank PO Questions


Q:

What is the gram formula mass of K2CO3?

A) 147 B) 138
C) 129 D) 116
 
Answer & Explanation Answer: B) 138

Explanation:

The gram formula mass of a compound is nothing but the molar mass.

The molar mass of K2CO3 (Potassium Carbonate) is given by

Atomic weights of individual elements are

 

K (Potassium) = 39 g

C (Carbon) = 12 g

O (Oxygen) = 16 g

 

Hence, that of K2CO3 = 39(2) + 12 + 16(3)

= 78 + 12 + 48

= 138.

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Filed Under: Chemistry
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Q:

Why is india called bharat?

Answer

The name Bharat is derived from the legendary king Bharat who was ancestor of kauravas and pandavas, son of King Dushyanta and Shakuntala.


The name India is derived from the river Sindhu which flows in the north west of the country. The Greeks used to call us Indoi meaning the people of the Indus.

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Q:

Which letter has at least one line of symmetry?

A) A B) C
C) O D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

The letter A has a vertical axis of symmetry.

The letter C has a horizontal axis of symmetry.

The letter O has more than one axis of symmetry, including vertical axis and horizontal axis.

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Filed Under: Arithmetical Reasoning
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Q:

How many Lok Sabha seats belong to Rajasthan?

A) 25 B) 17
C) 48 D) 2
 
Answer & Explanation Answer: A) 25

Explanation:

The maximum size of the Lok Sabha as outlined in the Constitution of India is 552 members made up of up to 530 members representing people of the states of India and up to 20 members representing people from the Union Territories on the basis of their population and 2 Anglo-Indians are nominated by President.

The number of Parliamentary Seats for the States :

Andhra Pradesh & Rajasthan - Each 25

Maharashtra - 48

Telangana - 17

Arunachal Pradesh, Bihar, Manipur, Meghalaya, Tripura - Each 02 

Uttar Pradesh has the highest with - 80

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Filed Under: Indian Politics
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Q:

Operating system functions may include

A) multiprogramming B) input/output control
C) virtual storage D) All the above
 
Answer & Explanation Answer: D) All the above

Explanation:

An operating system has three main functions:

(1) manage the computer's resources, such as the central processing unit, memory, disk drives, and printers,

(2) establish a user interface, and

(3) execute and provide services for applications software.

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Q:

Government regulation is intended to

A) discourage producers from taking harmful actions. B) encourage producers to follow the Constitution.
C) discourage producers from making a profit. D) encourage producers to take negative actions.
 
Answer & Explanation Answer: A) discourage producers from taking harmful actions.

Explanation:

Government regulation protects constitutional rights, safety, and fairness.

 

Hence, Government regulation is intended to discourage producers from taking harmful actions.

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Q:

In a joint family, there are 24 members whose age is decreased by 4 months, when one girl aged 24 years is replaced by a new boy. Find the age of the new boy ?

A) 18 years B) 12 years
C) 15 years D) 16 years
 
Answer & Explanation Answer: D) 16 years

Explanation:

Age of new boy = (Age of moved girl) – (Number of family members × Decreased in average)

= 24 – 24×4/12

= 24 – 8

= 16 years.

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Q:

Who wrote Das Kapital?

A) Max Weber B) Karl Marx
C) Adam Smith D) Vladmir Lenin
 
Answer & Explanation Answer: B) Karl Marx

Explanation:

Das Kapital, one of the major works of the 19th-century. Economist and philosopher Karl Marx (1818–83), wrote, in which he expounded his theory of the capitalist system, its dynamism, and its tendencies toward self-destruction.

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Filed Under: Books and Authors
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