Exams


Q:

Which of the following is correct?

A) (3x -­ 2y)2 = 9x2 -­ 12xy + 4y2 B) (3x -­ 2y)2 = 9x2 -­ 6xy + 4y2
C) (3x + 2y)2 = 9x2 -­ 12xy + 4y2 D) (3x + 2y)2 = 9x2 -­ 6xy + 4y2
 
Answer & Explanation Answer: A) (3x -­ 2y)2 = 9x2 -­ 12xy + 4y2

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Filed Under: Simplification
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Q:

In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.


That is why publicly invoking these symbols has to be an act of responsible citizenship and not self­____________ demagoguery, but the difference can be hard to _______________. The problem with emotive symbols is that _________________ they can multiply the force of arguments, they cannot replace the arguments__________________. All persuasion harnesses symbols but principled persuasion must also provide arguments that can be _____________ debated.

 

they cannot replace the arguments__________________.

 

A) yourselves B) yourself
C) by themselves D) themselves
 
Answer & Explanation Answer: D) themselves

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Filed Under: English
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Q:

Cryogenics is a branch of Physics that deal with ______.

A) very high temperatures B) very low temperatures
C) growth of extremely small crystals D) growth of extremely large crystals
 
Answer & Explanation Answer: B) very low temperatures

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Filed Under: Physics
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Q:

The difference between the place values of 9 and 5 in the number 428693745 is

A) 90995 B) 99995
C) 89995 D) 8995
 
Answer & Explanation Answer: C) 89995

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Filed Under: Problems on Numbers
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Q:

Which single discount will be equal to two successive discounts of 12% and 5%?

A) 17% B) 8.5%
C) 16.4% D) 15.2%
 
Answer & Explanation Answer: C) 16.4%

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Filed Under: Percentage
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Q:

If IRON is written as GOKI, then KNIFE may be written as

A) IKAEY B) IEKAY
C) IKEAY D) IAKEY
 
Answer & Explanation Answer: C) IKEAY

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Filed Under: Coding and Decoding
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Q:

Who was the Guru of the music maestro Tansen?

A) Bisaldev B) Haridas
C) Saint Gyaneshwar D) Ramanuj
 
Answer & Explanation Answer: B) Haridas

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Filed Under: Famous Personalities
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Q:

An object is placed on the principal axis of a cortex lens of focal length 10 cm. If the distance of the object from the lens is 30 cm, what is the distance of the image formed?

A) 20 cm B) 15 cm
C) 30 cm D) 10 cm
 
Answer & Explanation Answer: B) 15 cm

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Filed Under: Physics
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