GRE Questions and Answers with Explanation

Q:

A Map is an Array,which contains the addresses of the free space in swap device that are allocatable resources,and the number of the resource unit available there.

A) TRUE

B) FALSE

Answer & Explanation Answer: A) TRUE

Explanation:

The given statement is clearly true.

Workspace

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Subject: Operating Systems
Exam Prep: GRE

2 4128

Q:

There are several peacocks and deers in a cage (with no other types of animals). There are 72 heads and 200 feet inside the cage. How many peacocks are there, and how many deers ?

A) 42 & 24	B) 38 & 26
C) 36 & 24	D) 44 & 28

Answer & Explanation Answer: D) 44 & 28

Explanation:

Let
x = peacocks
y = deers

2x + 4y = 200
x + y = 72
y = 72 - x
2x + 288 - 4x = 200
x = 44 peacocks
y = 28 deers

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Filed Under: Numbers
Exam Prep: AIEEE , Bank Exams , CAT , GATE , GRE
Job Role: Bank Clerk , Bank PO

5 4128

Q:

Boy, man, uncle, fireman, grandfather are...

A) Feminine titles	B) Masculine titles
C) Both Feminine and Masculine titles	D) None of the above

Answer & Explanation Answer: B) Masculine titles

Explanation:

As they are the titles of male gender, they are called as Masculine titles.

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Filed Under: Analogy
Exam Prep: AIEEE , Bank Exams , CAT , GRE , TOEFL
Job Role: Bank Clerk , Bank PO

6 4114

Q:

A batsman scored 180 runs which included 11 boundaries and 8 sixes. What percent of his total score did he make by running between the wickets ?

A) 62.45%	B) 51.42%
C) 48.88%	D) 47.32%

Answer & Explanation Answer: C) 48.88%

Explanation:

Number of runs made by running = 180 - (11 x 4 + 8 x 6)
= 180 - (92)
= 88
Now, we need to calculate 88 is what percent of 180.
$\Rightarrow \frac{88}{180} \times 100$ = 48.888%.

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Filed Under: Percentage
Exam Prep: GRE , GATE , CAT , Bank Exams , AIEEE
Job Role: Bank PO , Bank Clerk , Analyst

5 4110

Q:

A constructor estimates that 4 people can paint Mr. Karthik's house in 6 days. If he uses 5 people instead of 4, how long will they take to complete the job ?

A) 3 days	B) 26/3 days
C) 13/4 days	D) 24/5 days

Answer & Explanation Answer: D) 24/5 days

Explanation:

we know that m1 x d1 = m2 x d2
=> 4 x 6 = 5 x d
where d = no. of days taken by 5 men to paint
d = 24/5 days.

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Filed Under: Time and Work
Exam Prep: AIEEE , Bank Exams , CAT , GATE , GRE
Job Role: Analyst , Bank Clerk , Bank PO

5 4103

Q:

A caribbean shape that makes ships disappear

A) Square	B) Triangle
C) Circle	D) Pentagon

Answer & Explanation Answer: B) Triangle

Explanation:

The triangle is a caribbean shape that makes ships disappear.

A_caribbean_shape_that_makes_ships_disappear1558074852.jpg image

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Filed Under: Word Puzzles
Exam Prep: GRE , GATE , CAT , Bank Exams , AIEEE , TOEFL
Job Role: IT Trainer , Database Administration , Bank PO , Bank Clerk , Analyst

1 4090

Q:

From a group of 7 boys and 6 girls, five persons are to be selected to form a team, so that at least 3 girls are there in the team. In how many ways can it be done?

A) 427	B) 531
C) 651	D) 714

Answer & Explanation Answer: B) 531

Explanation:

Given in the question that, there are 7 boys and 6 girls.

Team members = 5

Now, required number of ways in which a team of 5 having atleast 3 girls in the team =

$(6 C_{3} x 7 C_{2}) + (6 C_{4} x 7 C_{1}) + (6 C_{5}) = [\frac{6 x 5 x 4}{3 x 2 x 1} x \frac{7 x 6}{2 x 1}] + [\frac{6 x 5 x 4 x 3}{4 x 3 x 2 x 1} x 7] + [\frac{6 x 5 x 4 x 3 x 2}{5 x 4 x 3 x 2 x 1}] = 420 + 105 + 6 = 531 .$

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Filed Under: Permutations and Combinations
Exam Prep: AIEEE , Bank Exams , CAT , GATE , GRE
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5 4076

Q:

Antonym for Durable

A) Pressure	B) Flimsy
C) Hard-wearing	D) Withstand

Answer & Explanation Answer: B) Flimsy

Explanation:

Durable means able to withstand wear, pressure.

Antonyms for Durable are Delicate, Flimsy, Short-lived.

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Filed Under: Alphabet Test
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