GATE Questions and Answers with Explanation

Q:

$\frac{1}{8}$ as a decimal?

A) 0.375	B) 0.247
C) 0.214	D) 0.125

Answer & Explanation Answer: D) 0.125

Explanation:

Here $\frac{1}{8}$ in decimal means 8th part in 1.

We know that $\frac{1}{10}$ = 0.1

Then, $\frac{1}{8} = ?$

=> $? = \frac{\frac{1}{8} x 0.1}{\frac{1}{10}} = \frac{0.1 x 10}{8} = \frac{0.5}{4} \frac{1}{8} = 0.125$

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Filed Under: Decimal Fractions
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4 3177

Q:

A bottle is sold at a loss of 9%. Had it sold for Rs. 15 more, a profit of 25/2% would have gained. What is the cost price of the bottle (approx)?

A) Rs. 32	B) Rs. 35
C) Rs. 36	D) Rs. 33

Answer & Explanation Answer: B) Rs. 35

Explanation:

Let the cost price of the bottle = Rs. 100

Selling price of the bottle = Rs. 100 - Rs. 9 = Rs. 91

Then, from the given data,

=> 112 (1/2) - 91 = 15

=> 21 (1/2) = 15

=> 43 = 15

Then 100 = ?

1500/43 = 34.885 =~ 35

Hence, the cost price of the bottle = Rs. 35

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Filed Under: Profit and Loss
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5 3177

Q:

A disaccharide is formed by the chemical bonding of

A) two monosaccharides	B) two polysaccharides
C) one monosaccharide and one polysaccharide	D) All the above

Answer & Explanation Answer: A) two monosaccharides

Explanation:

Disaccharides are formed when two monosaccharides join together by the dehydration synthesis reaction resulting in a glycosidic bond between the two monosaccharide molecules. The reaction produces water as a side product.

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Filed Under: Chemistry
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1 3173

Q:

What element is found in all organic compounds?

A) Hydrogen	B) Calcium
C) Nitrogen	D) Carbon

Answer & Explanation Answer: D) Carbon

Explanation:

Carbon is found in all organic compounds.

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Filed Under: Chemistry
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0 3171

Q:

What is more useful when it is broken?

Answer

An Egg is more useful when it is broken than it is not.

Workspace

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Subject: Word Puzzles Exam Prep: AIEEE , Bank Exams , CAT , GATE , GRE
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4 3166

Q:

Identify the sentence using active voice.

A) Naveen changed the car tire	B) That movie was seen by Sarala
C) The money was withdrawn by Rahul	D) None of the above

Answer & Explanation Answer: A) Naveen changed the car tire

Explanation:

Active voice is used when the subject performs the action stated by the verb.

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Filed Under: English
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0 3163

Q:

In which city the world's tallest sandcastle has been built ?

A) Duisburg	B) Berlin
C) Havana	D) Paris

Answer & Explanation Answer: A) Duisburg

Explanation:

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Filed Under: Famous Places
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Q:

Which best describes the meaning of the term theorem?

A) A conclusion proved by deductive reasoning	B) A statement explaining the meaning of a geometric term
C) A conjecture based on inductive reasoning	D) A statement that is accepted as true without proof

Answer & Explanation Answer: A) A conclusion proved by deductive reasoning

Explanation:

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Filed Under: English
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