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Q:

Which is a pair of allotropes?

A) carbon-16 and carbon-12	B) diamond and graphite
C) carbon dioxide and graphite	D) diamond and carbon dioxide

Answer & Explanation Answer: B) diamond and graphite

Explanation:

Allotropes are the different physical forms of an element. Here in the given options, diamond and graphite are the pair of allotropes of carbon.

Some more examples are Molecular oxygen and ozone are pair of allotropes, Black and red phosphorous are also pairs of allotropes.

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Filed Under: Chemistry
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Q:

Which must be true for metamorphism to occur?

A) The grain size must become smaller	B) The process must take place underwater
C) The parent rock must be in solid form	D) The parent rock must be igneous

Answer & Explanation Answer: C) The parent rock must be in solid form

Explanation:

Metamorphism is the method of changing the structure of a rock by using heat and temperature.

Hence, for this to happen the parent rock must be in solid form only. Therefore, option C) is true.

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Filed Under: Physics
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Q:

Which of the following is an example of parasitism?

A) Leeches consume blood of their host	B) Ticks that live on dogs
C) Aphid insects eat the sap of the host plant	D) All of the above

Answer & Explanation Answer: D) All of the above

Explanation:

The relationship between two organisms such that one lives on the other and one gets benefited while the other get infected.

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Filed Under: Biology
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Q:

XML preserves white spaces.

A) TRUE

B) FALSE

Answer & Explanation Answer: A) TRUE

Explanation:

True, the given statement that xml preserves white spaces is correct.

Workspace

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Subject: Application Development
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Q:

Words that sound the same but are spelled different

words_that_sound_the_same_but_are_spelled_different1540289338.jpg image

A) Homonyms	B) Homographs
C) Heteronyms	D) Homophones

Answer & Explanation Answer: D) Homophones

Explanation:

Words that sound the same but are spelled different are called homophones. Homophones are a type of homonyms.

Some of the Examples of homophones are ::

One - Won

Son - Sun

Hole - Whole

Loan - Lone

Steal - Steel

Which - Witch

What - Watt

Sea - See

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Filed Under: English
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Q:

The concept of due process refers to

A) banking	B) justice
C) politics	D) economy

Answer & Explanation Answer: B) justice

Explanation:

Due process is the legal requirement that the state must respect all legal rights that are owed to a person.

Therefore, due process refers to the criminal justice system operating within the bounds of the law.

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Filed Under: Indian Politics
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Q:

Find the odd man out of the following number series?

49, 81, 121, 169, 196, 225

A) 81	B) 121
C) 196	D) 225

Answer & Explanation Answer: C) 196

Explanation:

Here in the given number series 49, 81, 121, 169, 196, 225

Except 196 all others are squares of odd numbers, whereas 196 is a square of 14 which is an even number.

Hence, the odd man in the given number series is 196.

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Q:

While selling a router, a shopkeeper gives a discount of 15%. If he gives a discount of 20%, he earns Rs. 51 less as profit. What is the original marked price of the router?

A) Rs. 1000	B) Rs. 1020
C) Rs. 1040	D) Rs. 980

Answer & Explanation Answer: B) Rs. 1020

Explanation:

Let the marked price of the router be Rs. P

From the given data,

$P x \frac{85}{100} - P x \frac{80}{100} = 51 P x \frac{5}{100} = 51 \Rightarrow P = \frac{5100}{5} = 1020$

Hence, the original marked price of the router is Rs. 1020.

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Filed Under: Profit and Loss
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