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Q:

Which measurement depends on gravitational force?

A) Mass B) Weight
C) Height D) All of the above
 
Answer & Explanation Answer: B) Weight

Explanation:

We know that,

Weight W = mg. That is mass times gravitational force.

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Filed Under: Physics
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Q:

Place these hydrocarbons in order of decreasing boiling point.

1. Paraffin

2. Octadecane

3. Hexane

4. Neohexane and

5. Ethane

A) Paraffin > Octadecane > Neohexane > Hexane > Ethane B) Paraffin > Octadecane > Hexane > Neohexane > Ethane
C) Hexane > Paraffin > Octadecane > Neohexane > Ethane D) None of the above
 
Answer & Explanation Answer: B) Paraffin > Octadecane > Hexane > Neohexane > Ethane

Explanation:

In hydrocarbon, the boiling point directly varies with the length of carbon chain. On increasing the number of carbon atom, the boiling point of the compound also increases. Paraffin contains highest number of carbon atoms whereas, ethane is comprised of two carbon atoms.

 

The decreasing order of boiling point of mention compounds is written as follows:

Paraffin > Octadecane > Hexane > Neohexane > Ethane

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Filed Under: Chemistry
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Q:

Find the next number in the given number sequence

200, 200, 100, 300, 75, ?

A) 150 B) 175
C) 250 D) 375
 
Answer & Explanation Answer: D) 375

Explanation:

The given number series is 200, 200, 100, 300, 75, ?

It follows a pattern that,

200

200 x 1 = 200

200 / 2 = 100

100 x 3 = 300

300 / 4 = 75

75 x 5 = 375

 

Hence, the next number in the given number sequence is 375.

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Filed Under: Number Series
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Q:

Irresistible craving for alcoholic drinks

A) Pyromania B) Kleptomania
C) Dipsomania D) Megalomania
 
Answer & Explanation Answer: C) Dipsomania

Explanation:

Dipsomania is one word substitute for Irresistible craving for alcoholic drinks.

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Filed Under: English
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Q:

Which formula represents an amino acid?

A) R-CH3(NH2)-COOH B) R-CH(NH2)-COOH
C) R-CH2(NH2)-COOH D) R-CH3(NH2)-COH
 
Answer & Explanation Answer: B) R-CH(NH2)-COOH

Explanation:

Amino acids are the building blocks of proteins. There are about 21 essential amino acids in the human body like histidine, leucine, lysine... The general formula for amino acid is R-CH(NH2)-COOH.

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Filed Under: Biology
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Q:

The element present in all organic molecules is

A) Hydrogen B) Oxygen
C) Carbon D) None of the above
 
Answer & Explanation Answer: C) Carbon

Explanation:
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Filed Under: Chemistry
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Q:

A posted speed limit of 55 mph means

Answer

A posted speed limit of 55 mph means that we can drive at a speed of 55 miles per hour(mph) under good conditions in that area. We cannot that speed limit in that area.

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Subject: General Awareness Exam Prep: AIEEE , Bank Exams
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Q:

Solve this inequality 3p - 16 < 20?

A) p >= 12 B) p <= 11/3
C) p < 12 D) p > 11/3
 
Answer & Explanation Answer: C) p < 12

Explanation:

The given inequality is 3p - 16 < 20

For solving this inequality, follow these steps

Now add 16 on both sides

we get 3p - 16 + 16 < 20 + 16

=> 3p  < 36

Now divide the above eqn with 3 on both sides

we get, 3p/3 < 36/3

p < 12.

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Filed Under: Simplification
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