Aptitude and Reasoning Questions

Q:

If a--b = 4 and ab = 45, find the value of a3 - b3

A) 604 B) 370
C) 253 D) 199
 
Answer & Explanation Answer: A) 604

Explanation:

(a  b)2 = a2 + b2 -2ab  16 = a2 + b2  90  a2 + b2 = 106 a3  b3 = (a  b) (a2 + b2 + ab)  a3  b3 = 4 X (106 + 45)  a3  b3 = 4 X 151  a3  b3 = 604

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

The distance around a figure

A) Area B) Perimeter
C) Volume D) None of the above
 
Answer & Explanation Answer: B) Perimeter

Explanation:

The distance around a figure is called as Perimeter of that figure. For example, rectangle perimeter is 2(L+B) and where as perimeter of square is '4S'.

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Filed Under: Arithmetical Reasoning
Exam Prep: AIEEE , Bank Exams , CAT
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Q:

If X has two sisters - Y and Z, and W's mother is the sister of Y's father, then W is Z's ___.

A) Father  B) Niece
C) Mother D) Cousin
 
Answer & Explanation Answer: D) Cousin

Explanation:
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Filed Under: Blood Relations
Exam Prep: Bank Exams

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Q:

Statement: The experts group on Technical Education has stressed that Computer Education should be provided to children from primary school itself. It should be implemented in urban and rural school, simultaneously.

Courses of action:
a) Government should issue instructions to all school for Computer Education.
b) At least one teacher of each school should be trained in Computer operations for teaching children.

A) Both a and b follows B) Only a follows
C) Only b follows D) Neither a nor b follows
 
Answer & Explanation Answer: A) Both a and b follows

Explanation:

Both are the right courses of action for effective implementation of Computer Education at primary level urban and rural schools.

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Filed Under: Statement and Courses of Action
Exam Prep: AIEEE , Bank Exams , CAT , GRE , TOEFL
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Q:

A hemisphere is kept on top of a cube. Its front view is shown in the given figure. The total weight of the figure is 21 cm. The ratio of curved surface area of hemisphere and total surface area of cube is 11 : 42. What is the total volume (in cub.cm) of figure?

A) 3318.33 B) 3462.67
C) 3154.67 D) 3248.33
 
Answer & Explanation Answer: B) 3462.67

Explanation:
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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

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Q:

Q is P's sister. R is P's mother. M is Mrs. R's father. How is Q's father related to M?

A) Son B) Grandson
C) Son-in-law D) Brother
 
Answer & Explanation Answer: C) Son-in-law

Explanation:
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Filed Under: Blood Relations
Exam Prep: Bank Exams

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Q:

The average of five consecutive even numbers is 40. What is the value of smallest of these numbers?

A) 35 B) 36
C) 44 D) 48
 
Answer & Explanation Answer: B) 36

Explanation:
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Q:

Select the related word/letters/number from the given alternatives.
DB: IC:: YE: ?

A) FJ B) JF
C) TH D) WL
 
Answer & Explanation Answer: B) JF

Explanation:
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Filed Under: Alphabet Test
Exam Prep: Bank Exams

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