Exams


Q:

Which of these is true of all simple machines?

A) these make work easier B) work input > work output
C) Both A & B D) None of the above
 
Answer & Explanation Answer: C) Both A & B

Explanation:
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Q:

A tank-full petrol in Veeru’s Car last for 20 days. If he starts using 25% more every day, how many days will the tank-full petrol last?

A) 18 days B) 12 days
C) 14 days D) 16 days
 
Answer & Explanation Answer: D) 16 days

Explanation:

The analogy here is like this: Veeru has 20 lt of petrol and he uses 1 lt per each day and consumes it in 20 days. If he uses 1.25 lt every day, in how many days it will be consumed?
We considered 1.25 lt here because it’s 25% more than 1 lt.

The answer would be  20/1.25=16 days.

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Q:

What is 16 bit?

Answer

Anything larger and the computer would need to break the number into smaller pieces.


 


16-bit is a computer hardware device or software program capable of transferring 16 bits of data at a time.


Today, 16-bit hardware and software has been replaced by 32-bit and 64-bit alternatives, which give the computer more memory to work with; increasing overall performance.


 


For example, early computer processors (e.g., 8088 and 80286) were 16-bit processors, meaning they were capable of working with 16-bit binary numbers (decimal number up to 65,535).

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Q:

Depreciation is a process of

A) Allocation B) Valuation
C) Both A & B D) Appropriation
 
Answer & Explanation Answer: A) Allocation

Explanation:

Depreciation is a process of cost allocation, not valuation. In accounting, the term depreciation refers to the allocation of cost of a tangible asset to expense to the periods in which the asset is expected to be used to obtain the economic benefit.

 

In brief, Depreciation is fall in the value of assets due to wear and tear over a period of time, it is a loss.

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Q:

Conservation of energy refers to the fact that

A) if you conserve energy you will not be as tired B) energy cannot be created or destroyed but can be converted from one form to another
C) no chemical reaction is 100 percent efficient D) the entropy of the universe is always increasing
 
Answer & Explanation Answer: B) energy cannot be created or destroyed but can be converted from one form to another

Explanation:

"Conservation of energy" refers to the fact that energy cannot be created or destroyed but can be converted from one form to another.

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Q:

If the radius of a circle is increased by 17% its area increases by ______.

A) 34 percent B) 36.89 percent
C) 17 percent D) 18.445 percent
 
Answer & Explanation Answer: B) 36.89 percent

Explanation:
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Q:

A vendor sells a coconut at Rs 24 and suffers 24% loss. If he wants to make 14% profit, then at what price (in Rs) should he sell?

A) 32 B) 30
C) 36 D) 28
 
Answer & Explanation Answer: C) 36

Explanation:
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Q:

Introducing a girl Anjali says, "She is the daughter of the only sister of the son of my mother". How is the girl related to Anjali?

A) Cousin B) Daughter
C) Sister-in-law D) Niece
 
Answer & Explanation Answer: B) Daughter

Explanation:
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