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Q:

Coral Reefs in India can be found in

A) Rameshwaram	B) Trivandrum
C) The coast of Orissa	D) Waltair

Answer & Explanation Answer: A) Rameshwaram

Explanation:

In India Coral Reefs can be found in Rameshwaram.

Coral reefs in India are one of the most ancient and dynamic ecosystems of India. The coral reefs not only provide a sanctuary to a myriad of marine life but also play a key role in protecting the coastline from erosion.

Coral reefs are diverse underwater ecosystems held together by calcium carbonate structures secreted by corals. Coral reefs are built by colonies of tiny animals found in marine water that contain few nutrients.

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Filed Under: Indian Geography
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Q:

Which State is the "most corrupt state" According to the National Crime Records Bureau (NCRB)?

A) Manipur	B) Maharashtra
C) Himachal Pradesh	D) Uttarakhand

Answer & Explanation Answer: B) Maharashtra

Explanation:

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Filed Under: General Awareness
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Q:

A boat running upstream takes 8 hours 48 minutes to cover a certain distance, while it takes 4 hours to cover the same distance running downstream. What is the ratio between the speed of the boat and speed of the water current respectively?

A) 7:4	B) 11:4
C) 4:7	D) 8:3

Answer & Explanation Answer: D) 8:3

Explanation:

Let the speed of the boat upstream be p kmph and that of downstream be q kmph

Time for upstream = 8 hrs 48 min = $8 \frac{4}{5}$ hrs

Time for downstream = 4 hrs

Distance in both the cases is same.

=> p x $8 \frac{4}{5}$ = q x 4

=> 44p/5 = 4q

=> q = 11p/5

Now, the required ratio of Speed of boat : Speed of water current

= $\frac{q + p}{2} : \frac{q - p}{2}$

=> (11p/5 + p)/2 : (11p/5 - p)/2

=> 8 : 3

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Filed Under: Boats and Streams
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Q:

What is the difference between Thermal Energy and Heat Energy?

Answer

Energy tranfer takes place either by means of Heat or Work only in Thermodynamics.

Heat :: Heat Energy is defined as Energy that can be transferred due to temperature change.

Whereas

Thermal Energy :: Thermal Energy is the Internal Energy stored in the system maintained at a certain Temperature.

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Subject: Physics Exam Prep: AIEEE , Bank Exams
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Q:

54, 60 LCM is

A) 600	B) 540
C) 60	D) 54

Answer & Explanation Answer: B) 540

Explanation:

Here the LCM of 54, 60 is

=> 2 x 3 x 3 x 3 x 10

= 6 x 9 x 10

= 54 x 10

= 540.

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Filed Under: HCF and LCM
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Q:

public static void main string[] args Meaning is?

Answer

Here in this declaration public static void main string[] args, each keyword has its importance.

1. public - Here public is an access specifier which allows the main method to be accessible everywhere.

2. static - static helps the main method to get loaded without getting called by any instance/object.

3. void - void clarifies that the main method will not return any value.

4. main - It's the name of the method.

5. String[] args - Here we are defining a String array to pass arguments at the command line. args is the variable name of the String array.

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Subject: Programming
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Q:

10 25 45 54 60 75 85

Find the Odd Number?

A) 54	B) 10
C) 45	D) 85

Answer & Explanation Answer: A) 54

Explanation:

In given Series, all the numbers except 54 are multiples of 5.

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Filed Under: Odd Man Out
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Q:

The First Mechanical Computer Designed by Charles Babbage was called?

A) Super Computer	B) Abacus
C) Calculator	D) Analytical Engine

Answer & Explanation Answer: D) Analytical Engine

Explanation:

Computer was invented by Charles Babbage.

The First Mechanical Computer Designed by Charles Babbage, a British mathematician was called as Analytical Engine which resembles today's modern machines between 1833 and 1871.

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Filed Under: Computer
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