Questions

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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Filed Under: Physics

87 14931
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

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Filed Under: Indian History

22 14929
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

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0 14926
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

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Filed Under: Indian Geography

56 14926
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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31 14914
Q:

A Computer works on a _______ number system

A) binary B) octal
C) decimal D) hexadecimal
 
Answer & Explanation Answer: A) binary

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Filed Under: Computer
Exam Prep: Bank Exams

49 14912
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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Filed Under: Chemistry

42 14894
Q:

Name the only US president who also served as the Chief Justice of the US Supreme Court.

 

A) John Quincy Adams B) William Howard Taft
C) Lyndon B. Johnson D) Zachary Taylor
 
Answer & Explanation Answer: B) William Howard Taft

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Filed Under: Famous Personalities
Exam Prep: Bank Exams

0 14885