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

Explanation:

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Filed Under: Physics

87 14928

Q:

Which one of the following Indus Civilization site gives evidence of a dockyard

A) Harappa	B) Lothal
C) Mohenjodaro	D) Rakhigarhi

Answer & Explanation Answer: B) Lothal

Explanation:

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Filed Under: Indian History

22 14928

Q:

Rajasthan receives very little rain because

A) It is too hot	B) there is no water available and thus the winds remain dry
C) the mansoons fail to reach this area	D) the winds do not come across any barrier to cause the necessary uplift to cool the winds

Answer & Explanation Answer: D) the winds do not come across any barrier to cause the necessary uplift to cool the winds

Explanation:

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Filed Under: Indian Geography

56 14921

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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Filed Under: Quantitative Aptitude - Arithmetic Ability

31 14911

Q:

A Computer works on a _______ number system

A) binary	B) octal
C) decimal	D) hexadecimal

Answer & Explanation Answer: A) binary

Explanation:

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Filed Under: Computer
Exam Prep: Bank Exams

49 14905

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

Explanation:

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Filed Under: Chemistry

42 14892

Q:

Arrange the following words as per order in the dictionary

1. Diffident

2. Difficult

3.Different

4.Diffidence

A) 1,2,3,4	B) 3,2,4,1
C) 2,1,3,4	D) 3,2,1,4

Answer & Explanation Answer: D) 3,2,1,4

Explanation:

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Filed Under: Verbal Reasoning - Mental Ability

0 14883

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

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