Questions

Q:

In known elements, the maximum number is of

A) Metals B) Non Metals
C) Metalloids D) None of these
 
Answer & Explanation Answer: A) Metals

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Q:

Which of the statements given below are correct?

1. The author of 'A Foreign Policy For India' is L.K Advani.
2. 'Wings of Fire' is a book written by A.P.J Abdul kalaam.
3. 'Open' is an Autobiography of Andre Agassi.

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

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Exam Prep: Bank Exams

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Q:

Manipur has common boundaries with the group of states of

A) Meghalaya, Mizoram and Tripura B) Nagaland, Mizoram and Meghalaya
C) Nagaland, Assam and Mizoram D) Nagaland, Meghalaya and Tripura
 
Answer & Explanation Answer: C) Nagaland, Assam and Mizoram

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Filed Under: Indian Geography

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Q:

Ultrasonic waves are used for stirring liquid solutions because they 

A) do not produce noise during the operation B) are easy to produce
C) can produce perfectly homogeneous solutions D) do not produce chemical reactions in the solution
 
Answer & Explanation Answer: C) can produce perfectly homogeneous solutions

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Q:

The nitrogen atom has 7 protons and 7 electrons,The nitride ion will have

A) 10 protons and 7 electrons B) 7 protons and 10 electrons
C) 4 protons and 7 electrons D) 4 protons and 10 electrons
 
Answer & Explanation Answer: B) 7 protons and 10 electrons

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Q:

Something which has easily-understood instructions is said to be___

A) Analog data B) Digital data
C) Modem data D) Watts data
 
Answer & Explanation Answer: A) Analog data

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Exam Prep: Bank Exams

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Q:

Civil equality implies

A) Equality before law B) Equality of opportunity
C) Equal distribution of wealth D) Equal right to participate in the affairs of the State
 
Answer & Explanation Answer: A) Equality before law

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Filed Under: Indian Politics

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Q:

Two cubes have their volumes in the ratio 1 : 27. Find the ratio of their surface areas.

A) 2:9 B) 3:9
C) 1:9 D) 4:9
 
Answer & Explanation Answer: C) 1:9

Explanation:

Let their edges be a and b. Then,

 

a3/b3 = 1/27 (or) (a/b)3 = (1/3)3 (or) (a/b) = (1/3).

 

\Ratio of their surface area = 6a2/6b2 = a2/b2 = (a/b)2 = 1/9, i.e. 1:9.

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