Aptitude and Reasoning Questions

Q:

If the shopkeeper sells an item at Rs 4400 which is marked as Rs 5000, then what is the discount that he is offering?

A) 20% B) 12%
C) 15% D) 10%
 
Answer & Explanation Answer: B) 12%

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Filed Under: Percentage
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Q:

If x2+ y2+ z2= xy + yz + zx, then what is the value of (7x + 3y – 5z)/5x?

A) 0 B) 1
C) 5 D) 33/5
 
Answer & Explanation Answer: B) 1

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

If the simple interest on Rs. 400 for 10 years is Rs. 280, then rate of interest per annum is

A) 7% B) 712%
C) 714% D)
 
Answer & Explanation Answer: A) 7%

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Q:

Two pipes X and Y can fill an empty tank in 16 hours and 20 hours respectively. Pipe Z alone can empty the completely filled tank in 25 hours. Firstly both pipes X and Y are opened and after 6 hours pipe Z is also opened. What will be the total time (in hours) taken to completely fill the tank?

 

A) 80/7 B) 67/7
C) 28/3 D) 304/29
 
Answer & Explanation Answer: D) 304/29

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Filed Under: Pipes and Cistern
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Q:

If x -­ y = 7 and xy = 32, then value of (x2 + y2) is

A) 49 B) 64
C) 113 D) 15
 
Answer & Explanation Answer: C) 113

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Q:

What is the measure of the central angle of the sector whose area is 462 sq cm and radius of the circle is 21 cm?

A) 90° B) 60°
C) 30° D) 120°
 
Answer & Explanation Answer: D) 120°

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Filed Under: Area
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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?

50 + 5 - 700 x 28 = ?

A) 94 B) 100
C) 90 D) 275
 
Answer & Explanation Answer: D) 275

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Filed Under: Coding and Decoding
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Q:

The value of (sec245 - cot245) - (sin230 + sin260) is

A) 1 B) 2√3
C) 0 D) 1/√2
 
Answer & Explanation Answer: C) 0

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