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Q:

Simplify the following equation

[K-L2-K+L2]4K = a/b

A) K = b /a B) bL = -a
C) KL = 1 D) aK = -b
 
Answer & Explanation Answer: B) bL = -a

Explanation:

[(K-L)2-K+L2]4K = abK2+L2-2KL-K2+L2+2KL4K= ab

 

=> - 4KL/4K = a/b

 

=> L = - a/b

 

=> bL = -a

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Filed Under: Simplification
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6 49497
Q:

Find the odd one out of the following options.

A) Sapphire B) Ruby
C) Topaz D) Granite
 
Answer & Explanation Answer: D) Granite

Explanation:

Except Granite all other options belong to the group of precious stones.

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Filed Under: Odd Man Out
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33 13176
Q:

 _ po _ mp _ n _ _ onmpo_.

A) opmpnm B) mponpo
C) mnompn D) mnopnm
 
Answer & Explanation Answer: C) mnompn

Explanation:

The pattern 'mpon' is repeated.

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Filed Under: Number Series
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13 6024
Q:

What do you mean by friend function in C++ ?

Answer

Friends can be either functions or other classes. The class grants friends unlimited access privileges.

* The declaration of the function should be preceded by the keyword 'friend'.
* The function definition will not use the keyword or the scope operator '::'.


Thus, a friend function is an ordinary function or a member of another class.

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15 4069
Q:

Who is the father of email ?

A) Charles Babbage B) Ray Tomlinson
C) Tim Berners Lee D) Paul Buchheit
 
Answer & Explanation Answer: B) Ray Tomlinson

Explanation:

Email inventor Ray Tomlinson dies at 74. Ray Tomlinson, who sent the first e-mail, has died.

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Filed Under: Computer
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18 7627
Q:

" Hopman cup "  is related to which sports  ? 

A) Cricket B) Badminton
C) Lawn Tennis D) Football
 
Answer & Explanation Answer: C) Lawn Tennis

Explanation:

Law Tennis Hopman cup is a hard-court tennis tournament held every year in Australia. Teams from different countries participates in the tournament.

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Filed Under: Sports
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27 12259
Q:

Majid Gyre is a feature of which of the following Oceans  ?

A) Indian Ocean B) Pacific Ocean
C) Atlantic Ocean D) Arctic Ocean
 
Answer & Explanation Answer: A) Indian Ocean

Explanation:

The Indian Ocean consists of one gyre, the Indian Ocean (Majid) Gyre, which exists mostly in the Southern Hemisphere. It is named after Ahmad Bin Majid, the 15th-century Arab mariner. Following shows the Oceans and their respective Gyres

 Indian Ocean            -        Majid Gyre

North Atlantic Ocean   -       Columbus Gyre

South Atlantic Ocean  -       Prince Henry Gyre

North Pacific Ocean     -      Turtle Gyre

South Pacific Ocean    -       Heyerdahl Gyre

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Filed Under: World Geography
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10 5801
Q:

Which type of forests occupies the highest percentage of area in India  ?

A) Savanna & desert vegetation B) Tropical deciduous
C) Tropical Rainforests D) Equatorial evergreen
 
Answer & Explanation Answer: B) Tropical deciduous

Explanation:

Tropical Deciduous Forests: They are also called the “Monsoon forests”. They grow in the areas with annual rainfall of 70-200 cm. Sandal wood, Shisam, Mahua, Sal, Teak and Bamboo are important species of trees. Moist deciduous and the dry deciduous forests are two major categories of these forests.

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Filed Under: Indian Geography
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32 5470