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Q:

Ozonolysis of an organic compound gives formaldehyde as one of the products. This confirms the presence of :

A) An acetylenic triple bond B) Two ethylenic double bonds
C) A vinyl group D) An isopropyl group
 
Answer & Explanation Answer: C) A vinyl group

Explanation:

C=}CH2→OzonolysisHCHO

Vinylic group.

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Filed Under: Chemistry
Exam Prep: AIEEE

3 5400
Q:

Which of these is not a simple machine?

A) a pair of scissors B) a lever
C) a ramp D) the pulley
 
Answer & Explanation Answer: A) a pair of scissors

Explanation:

Any of the basic mechanical devices for applying a force are called simple machines.

There are 6 basic simple machines; the lever, the wheel and axle, the inclined plane, the wedge, the pulley, and the screw. Several of these simple machines are related to each other. But, each has a specific purpose in the world of doing work.

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Filed Under: Physics
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO , Database Administration

16 5392
Q:

In a certain code language, "TOAST" is written as "03210" and "RIGID" is written as "45759". How is "DOOR" written in that code language?

A) 9331 B) 9334
C) 3390 D) 1314
 
Answer & Explanation Answer: B) 9334

Explanation:
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Filed Under: Coding and Decoding
Exam Prep: CAT , Bank Exams , AIEEE

1 5391
Q:

In a box, there are four marbles of white color and five marbles of black color. Two marbles are chosen randomly. What is the probability that both are of the same color?

A) 2/9 B) 5/9
C) 4/9 D) 0
 
Answer & Explanation Answer: C) 4/9

Explanation:

Number of white marbles = 4

Number of Black marbles = 5

Total number of marbles = 9

Number of ways, two marbles picked randomly = 9C2

Now, the required probability of picked marbles are to be of same color = 4C2/9C2  +  5C2/9C2

= 1/6 + 5/18

= 4/9.

 

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Filed Under: Probability
Exam Prep: AIEEE , Bank Exams , CAT , GATE
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13 5386
Q:

A collection of interrelated records is called a

A) Datasheet B) Spreadsheet
C) Database D) Utility File
 
Answer & Explanation Answer: C) Database

Explanation:
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Filed Under: Database
Exam Prep: AIEEE , Bank Exams
Job Role: Analyst , Bank PO , Database Administration , IT Trainer , Network Engineer , Project Manager , Software Architect

5 5386
Q:

In a queue, Shankar is ninth from the rear end. Althaf's place is eighth from the front. Nitu is standing between the two. What could be the minimum numbers of boys standing in the queue ?

A) 18 B) 14
C) 22 D) 24
 
Answer & Explanation Answer: B) 14

Explanation:

1 2 3 4 5 6(Shankar) 7(Nitu) 8(Althaf) 9 10 11 12 13 14
Here, Althaf is 8th from front, Shankar is 9th from rear end and Nitu is between them
So minimum no. of boys standing in the queue = 14

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

28 5384
Q:

The gas provider Centrica has seen its half-year profits fall by 20% to £992 million. Despite this it has decided to increase its dividend to shareholders to 3.9p per share. The rise in energy prices released before the announcement of Centrica's profits was designed, said the company, to restore "reasonable profitability". The chief executive, Sam Laidlaw, said, "We produced a good set of results in tough market conditions... we will continue to concentrate on improving customer service in British Gas..." This is an interesting statement given the record rise in prices to households. The announcement of profits which are not far off one billion pounds, a day after the announcement of the rise in price and the increase in dividend to shareholders, is likely to provoke angry reaction. Many will question the extent of the market power that Centrica possesses. There will also be those that will question what the phrase 'reasonable profitability' means in the context of profits of nearly one billion pounds.

Question: 1) Announcing large profits, soon after announcing price rises, is likely to provoke angry reaction.

Question: 2) Companies increase shareholder dividends when profits fall.

Question: 3) One way companies can restore profitability is to increase prices.

Answer

Answer 1) True


Answer 2) Cannot tell


Answer 3) True

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Subject: Deriving Conclusions From Passages Exam Prep: AIEEE , Bank Exams , CAT , GATE , GRE , TOEFL
Job Role: Bank Clerk , Bank PO

10 5373
Q:

What can you hold but not touch?

Answer

There are many possibilities for this.


We can hold a breathe, meeting, conversation, party, grudge, etc... but cannot touch them.

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Subject: Word Puzzles Exam Prep: AIEEE , Bank Exams , CAT , GRE , TOEFL
Job Role: Analyst , Bank Clerk , Bank PO

8 5369