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Q:

Gases used in normal welding?

A) Oxygen and Acetylene B) Acetylene and Nitrogen
C) Oxygen, Hydrogen and Acetylene D) Oxygen and Hydrogen
 
Answer & Explanation Answer: A) Oxygen and Acetylene

Explanation:

Normal Gas welding use oxygen-acetylene.

 

Depending on what materials you are welding, there are some more options that might be used.

For example - MIG/TIG use Argon, MAG use an argon-something mix.

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Filed Under: Chemistry
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Q:

Two boxes contain 4 and 16 balls respectively. Two balls in the first box and four in the second, are black. If a box is chosen randomly and two balls are drawn at random from it, what is the
probability that at least one ball is black if the ball is not replaced?

A) 11/20 B) 43/120
C) 77/120 D) 9/20
 
Answer & Explanation Answer: C) 77/120

Explanation:

At least one black can be chosen in two ways from each box:
Now, probability of choosing at least one black ball from first box 

= 1/2 × [ (2C1× 2C1)/4C2 + 2C2/ 4C2 ]= 5/12

Probability of choosing at least one black ball from 2nd box
= 1/2 × [(4C1×12C1)/16C2 + 4C2/ 16C2] = 9/40

Final probability

= 5/12 + 9/40 = (50 + 27)/120 = 77/120

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Q:

Who was the first Mughal Emperor to acquire Koh-i-nur diamond?

A) Humayun B) Akbar
C) Jahangir D) Shah Jehan
 
Answer & Explanation Answer: A) Humayun

Explanation:
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Filed Under: Indian History

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Q:

The most healthy edible oil for heart is

A) Almond Oil B) Sesame Oil
C) Mustard Oil D) Olive Oil
 
Answer & Explanation Answer: D) Olive Oil

Explanation:
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Filed Under: Biology
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Q:

The philosopphical essence, "The world is but God manifest and God is my own soul" may be traced to the 

A) Vedas B) Upanishads
C) Puranas D) Manusmriti
 
Answer & Explanation Answer: B) Upanishads

Explanation:
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Filed Under: Indian History

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Q:

Whose winter residence did potala palace serve as till 1959 ?  

A) Jodhpur Maharaj B) Dalai lama
C) Pope D) Nepal Raju
 
Answer & Explanation Answer: B) Dalai lama

Explanation:
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Filed Under: World History

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Q:

Only Genius Can Solve This?

Answer

The logic in the given puzzle is - Number of squares in the figures.


 


Hence, the number of squares in the question figure is 14.

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Subject: Logic Puzzles Exam Prep: Bank Exams

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Q:

Which action is considered a primary function of State government?

A) supervising elected federal government officials B) regulating political parties and the media
C) organizing a local military to provide security D) enforcing laws regarding the public safety
 
Answer & Explanation Answer: D) enforcing laws regarding the public safety

Explanation:

The primary function of State government is enforcing laws regarding the public safety.

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Filed Under: Indian Politics
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