Q:

Which part of a computer performs calculations?

A) Control unit	B) Arithmetic and logical unit
C) Both A & B	D) Logic bus

Answer & Explanation Answer: B) Arithmetic and logical unit

Explanation:

A computer has a CPU which is called as Central Processing UNit or a Processor builton the mother board. It has many components like control unit and Arithmetic and logical unit.

The Arithmetic and logical unit of the CPU performs the arithmetic operations or mathematical calculations.

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Filed Under: Computer
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6 5005

Q:

Which one of the following was not authorised by Annie Besant?

A) The future of Indian politics	B) How India fought for freedom
C) The case for India	D) India Old and New

Answer & Explanation Answer: D) India Old and New

Explanation:

Except option D all the other were posted by Annie Besent

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Filed Under: Indian History

3 5003

Q:

The Simon commission visited India in the year?

A) 1933	B) 1939
C) 1921	D) 1927

Answer & Explanation Answer: D) 1927

Explanation:

The British government appointed a commission under the chairmanship of Sir John Simon to report on India's constitutional progress for introducing constitutional reforms as had been promised in 1927.

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Filed Under: Indian History
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5 5002

Q:

In the relational model, relationships between relations or tables are created by using:

A) composite keys.	B) determinants.
C) candidate keys.	D) foreign keys.

Answer & Explanation Answer: D) foreign keys.

Explanation:

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Filed Under: Database

1 5002

Q:

The headquarters of the Indian Drugs & Pharmaceuticals Ltd is located in

A) Gurgaon	B) Hyderabad
C) Pune	D) Kolkata

Answer & Explanation Answer: A) Gurgaon

Explanation:

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Filed Under: Indian Geography
Exam Prep: Bank Exams

1 5002

Q:

A bond formed by the transfer of electrons betwwen atoms of the elements is called

A) ionic bond	B) covalent bond
C) co ordinate bond	D) none

Answer & Explanation Answer: A) ionic bond

Explanation:

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Filed Under: Chemistry

8 5001

Q:

Commissioners for the Affairs of India were known as

A) Court of directors	B) Board of Directors
C) Board of Control	D) Board of Merchants

Answer & Explanation Answer: C) Board of Control

Explanation:

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6 5001

Q:

Solve the following equations and find the value of abc?

A) 3	B) 6
C) 9	D) 12

Answer & Explanation Answer: B) 6

Explanation:

From the given equations,

$(a + b + c)^{2} = a^{2} + b^{2} + c^{2} + 2 (ab + bc + ca)$
${(6)}^{2} = 14 + 2 (ab + bc + ca)$
36 - 14 = 2(ab + bc + ca)
22/2 = ab + bc + ca
ab + bc + ca = 11

$a^{3} + b^{3} + c^{3} - 3 abc = (a + b + c) (a^{2} + b^{2} + c^{2} - ab - bc - ca)$
= (6) (14 - 11)
=(6)(3)
=18

Since, $a^{3} + b^{3} + c^{3} - 3 abc = 18$

36 - 3abc = 18

-3abc = 18 - 36

-3abc = -18

abc = 6.

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24 4997

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