Aptitude and Reasoning Questions

Q:

Which of the following quadratic equations has equal roots?

A) x2 -­ 14x -­ 49 = 0 B) x2 + 7x + 49 = 0
C) x2 -­ 7x -­ 49 = 0 D) x2 + 14x + 49 = 0
 
Answer & Explanation Answer: D) x2 + 14x + 49 = 0

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Filed Under: Simplification
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Q:

Simplify 576b3x2a4z3/36a3b2z

A) 16bx2az2 B) 8bx2az2
C) 32ba2 z D) 32bxa2
 
Answer & Explanation Answer: A) 16bx2az2

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Q:

Coefficient of x in (x + 8)(6 -­ 3x) is

A) 18 B) 30
C) -18 D) -30
 
Answer & Explanation Answer: C) -18

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Q:

If a + b = 10 and ab- 13 = -ba - 11, then what is the value of 3ab + 4a2 + 5b2 ?

A) 450 B) 300
C) 600 D) 750
 
Answer & Explanation Answer: B) 300

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Q:

The weights of 4 boxes are 100, 70, 50 and 90 kilograms. Which of the following cannot be the total weight, in kilograms, of any combination of these boxes and in a combination a box can be used only once?

A) 310 B) 260
C) 230 D) 210
 
Answer & Explanation Answer: C) 230

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Filed Under: Arithmetical Reasoning
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Q:

Select the odd word from the given alternatives.

A) Chair B) Sofa
C) Couch D) Television
 
Answer & Explanation Answer: D) Television

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Filed Under: Odd Man Out
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Q:

In a certain code language, '+' represents 'x', '-' represents '+', 'x' represents '÷' and '÷' represents '-'. What is the answer to the following question?

825 x 25 - 27 ÷ 10 = ?

A) 100 B) 50
C) 25 D) 20
 
Answer & Explanation Answer: B) 50

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Filed Under: Coding and Decoding
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Q:

Showing a man on the stage , Rita said , " He is the brother of the daughter of the wife of my husband . How is the man on stage related to Rita ?

A) SON B) HUSBAND
C) COUSIN D) NEPHEW
 
Answer & Explanation Answer: A) SON

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Filed Under: Blood Relations
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