Aptitude and Reasoning Questions

Q:

Pipes A and B can fill a cistern in 15 hours together. But ifthese pipes operate separately A takes 40 hours less than Bto fill the tank. In how many hours the pipe A will fill thecistern working alone?

A) 60 B) 20
C) 40 D) 15
 
Answer & Explanation Answer: B) 20

Explanation:

Let A takes x hours, then B = (x+40) hours

1/x + 1/x+40 = 1/15

x = 20

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Filed Under: Pipes and Cistern

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Q:

Deepak found that he had made a loss of 10% while selling his smartphone. He also found that had he sold it for ` 50more, he would have made a profit of 5%. The initial loss was what percentage of the profit earned, had he sold the smartphone for a 5% profit ?

A) 100% B) 200%
C) 75% D) 85%
 
Answer & Explanation Answer: B) 200%

Explanation:

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Filed Under: Profit and Loss

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Q:

Are Alternate Exterior Angles congruent?

A) TRUE B) FALSE
Answer & Explanation Answer: A) TRUE

Explanation:

We know that,


Alternate Exterior Angles Theorem::


The Alternate Exterior Angles Theorem states that, when two parallel lines are cut by a transversal, the resulting alternate exterior angles are congruent .



Converse of the Alternate Exterior Angles Theorem ::


Converse of the Alternate Exterior Angles Theorem states that, If two lines are cut by a transversal and the alternate exterior angles are congruent, then the lines are parallel.

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Subject: Arithmetical Reasoning
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

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Q:

Factors of 48x3- 8x2- 93x- 45 are

A) (4x + 3)(4x ­- 3)(3x ­- 5) B) (4x -­ 3)(4x -­ 3)(3x-­ 5)
C) (4x + 3)(4x + 3)(3x -­ 5) D) (4x -­ 3)(4x + 3)(3x + 5)
 
Answer & Explanation Answer: C) (4x + 3)(4x + 3)(3x -­ 5)

Explanation:
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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

In a computer game, a builder can build a wall in ten hours while a destroyer can demolish such a wall completely in fourteen hours. Both, the builder and the destroyer were initially set to work together on level ground. But after 7 hours the destroyer was taken out. What was the total time (in hrs) taken to build the wall ?

A) 17 B) 15
C) 24 D) 35
 
Answer & Explanation Answer: B) 15

Explanation:
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Q:

A trader allowed a discount of 15% on a trolley bag having list price of Rs 1360 and earns a profit of 15.6%. What is the cost price (in Rs) of the trolley bag?

A) 1000 B) 1005
C) 1050 D) 1156
 
Answer & Explanation Answer: A) 1000

Explanation:
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Filed Under: Profit and Loss
Exam Prep: Bank Exams

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Q:

3 x 3 + 3 - 3 + 3 = ?

A) 9 B) 12
C) -3 D) 3
 
Answer & Explanation Answer: B) 12

Explanation:

Using BODMAS law,

3 x 3 + 3 - 3 + 3 =

3 x 3 = 12

= 12 + 3 - 3 + 3

=  9 + 3

= 12

 

Hence, 3 x 3 + 3 - 3 + 3 = 12.

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Q:

PQR is a triangle, whose area is 180 cm2. S is a point on side QR, such that PS is the angle bisector of ∠QPR. If PQ : PR = 2 : 3, then what is the area (in cm2) triangle PSR?

A) 90 B) 108
C) 144 D) 72
 
Answer & Explanation Answer: B) 108

Explanation:
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Filed Under: Area
Exam Prep: Bank Exams

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