IT Trainer Questions


Q:

The length of a class room floor exceeds its breadth by 25 m. The area of the floor remains unchanged when the length is decreased by 10 m but the breadth is increased by 8 m. The area of the floor is 

A) 5100 sq.m B) 4870 sq.m
C) 4987 sq.m D) 4442 sq.m
 
Answer & Explanation Answer: A) 5100 sq.m

Explanation:

Let the breadth of floor be 'b' m.

Then, length of the floor is 'l = (b + 25)'

Area of the rectangular floor = l x b = (b + 25) × b

According to the question,

(b + 15) (b + 8) = (b + 25) × b

b2 + 8b + 15b + 120 = b2 + 25b

2b = 120

b = 60 m.

l = b + 25 = 60 + 25 = 85 m.

 

Area of the floor = 85 × 60 = 5100 sq.m.

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Filed Under: Area
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37 8530
Q:

World Wide Web is being standard by

A) W3C B) World Wide Web Standard
C) Worldwide corporation D) World Wide Consortium
 
Answer & Explanation Answer: A) W3C

Explanation:

World Wide Web is being standard by W3C.

 

The World Wide Web Consortium (W3C) is an international community where Member organizations, a full-time staff, and the public work together to develop Web standards. Led by Web inventor and Director Tim Berners-Lee and CEO Jeffrey Jaffe, W3C's mission is to lead the Web to its full potential.

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Filed Under: Computer
Exam Prep: AIEEE , Bank Exams , CAT , GATE
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10 8527
Q:

What is math.floor(3.6)?

A) 6 B) 3
C) 3.5 D) 0.6
 
Answer & Explanation Answer: B) 3

Explanation:

The Math.floor() function in JavaScript is used to round off the number passed as parameter to its nearest integer in Downward direction of rounding i.g towards the lesser value.

 

Hence, math.floor(3.6) = 3.

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Q:

5 men and 3 boys can together cultivate a 23 acre field in 4 days and 3 men and 2 boys together can cultivate a 7 acre field in 2 days. How many boys will be needed together with 7 men, if they cultivate 45 acre of field in 6 days.

A) 6 B) 4
C) 2 D) 3
 
Answer & Explanation Answer: C) 2

Explanation:

Let work done by 1 man in i day be m

and Let work done by 1 boy in 1 day be b

From the given data,

4(5m + 3b) = 23

20m + 12b = 23....(1)

2(3m + 2b) = 7

6m + 4b = 7 ....(2)

By solving (1) & (2), we get

m = 1, b = 1/4

Let the number of required boys = n

6(7 1 + n x 1/4) = 45

=> n = 2.

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6 8497
Q:

Which of the following is true about cloud computing?

A) Cloud computing has brought about a drop in hardware and software sales, while augmenting service revenues B) You can access your data from any computer in the world, as long as you have an Internet connection.
C) Both A & B D) It's always going to be less expensive and more secure than local computing.
 
Answer & Explanation Answer: C) Both A & B

Explanation:
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2 8485
Q:

Fill in the blank with suitable preposition in the following sentence.

 

____ the two I prefer tea.

A) From B) In
C) Between D) Among
 
Answer & Explanation Answer: C) Between

Explanation:

Between the two I prefer tea is the correct sentence with suitable preposition.

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27 8469
Q:

Careful is to Cautious as Boastful is to

A) Surprisingly B) Happily
C) Arrogant D) Humble
 
Answer & Explanation Answer: C) Arrogant

Explanation:

Here the given words Careful and Cautious are related in such a way that they are Synonyms of each other.

Therefore, Similarly Boastful is synonym to the word Arrogant.

Happily and Humble are Antonyms of Boastful and Surprisingly is the word not related to Boastful in any way.

 

So, Careful is to Cautious as Boastful is to Arrogant.

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Filed Under: Analogy
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7 8454
Q:

Solve the Riddle?

bana1522056999.jpg image

A) 79 hrs B) 72 hrs
C) 52 hrs D) 18 hrs
 
Answer & Explanation Answer: D) 18 hrs

Explanation:

From the given data,

18 snakes can eat 18 bananas in 18 hrs.

=> 1 snake can eat 1 banana in 18 hrs

=> 79 snakes can eat 79 bananas in 18 hrs.

 

Hence, 18 hrs.

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21 8413