Questions

Q:

If sin 30° + cos 45° = X, then the value of X.

A) (2√2-√3)/2 B) 4/√3
C) (1-√3)/√3 D) (1+√2)/2
 
Answer & Explanation Answer: D) (1+√2)/2

Explanation:
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Q:

The question below consists of a set of labelled sentences. Out of the four options given, select the most logical order of the sentences to form a coherent paragraph.

 

In physically

 

A-fit people, calorie restriction

B-and periodic fasting slows

C-down the ageing process

 

A) ABC   B)  CBA  
C) CAB   D) BCA
 
Answer & Explanation Answer: A) ABC  

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Filed Under: English
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Q:

In the modern periodic table, which of the two periods contain 8 elements each?

A) 4 and 5 B) 3 and 4
C) 1 and 2 D) 2 and 3
 
Answer & Explanation Answer: D) 2 and 3

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Filed Under: Chemistry
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Q:

Which one of the following statements is not correct?

A) When total utility is maximum, marginal utility is zero B) When total utility is decreasing, marginal utility is negative
C) When total utility is increasing, marginal utility is positive D) When total utility is maximum,marginal and average utility are equal to each other.
 
Answer & Explanation Answer: D) When total utility is maximum,marginal and average utility are equal to each other.

Explanation:

Total utility -It is total psychological satisfaction which a consumer derives from the consumption of a commodity is known as total utility

Marginal utility -It is anaddition made in total utility by consuming and additional unit of a commodity is known as marginal utility.

•When marginal utility is positive,total utility increases

•When marginal utility is zero,total utility is at maximum

•When marginal utility is negative,total utility decreases

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Q:

The _________ of a firm is a relationship between inputs used and output produced by the firm.

A) Marginal product B) Production function
C) Total product D) Average product
 
Answer & Explanation Answer: B) Production function

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Q:

In a market system, the central problems regarding how much and what to produce are solved through the coordination of economic activities brought about by ________ signals.

A) Supply B) Demand
C) Price D) Stock Market
 
Answer & Explanation Answer: C) Price

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Q:

Common salt (NaCl) is made up of

A) a weak acid and a weak base B) a strong acid and a weak base
C) a weak acid and a strong base D) a strong acid and a strong base
 
Answer & Explanation Answer: D) a strong acid and a strong base

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Q:

Which of the following elements has a total of 3 shells with 8 electrons in the last orbit?

A) Ar B) P
C) S D) Al
 
Answer & Explanation Answer: A) Ar

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