Aptitude and Reasoning Questions

Q:

Two pipes, when working one at a time can fill a cistern in 2 hrs and 3 hrs, respectively while a third pipe can drain the cistern empty in 6 hrs. All the three pipes were opened together when the cistern was 1/6 full. How long will it take for the cistern to be completely full?

A) 1 hour B) 1 hour 30 min
C) 1 hour 20 min D) 1 hour 15 min
 
Answer & Explanation Answer: D) 1 hour 15 min

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Filed Under: Pipes and Cistern
Exam Prep: Bank Exams

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Q:

A train moves at a speed of 35 m/sec and crosses a tunnel of length 960 metres, in 40 seconds. What is the length (in metres) of the train?

 

A) 360 B) 440
C) 530 D) 560
 
Answer & Explanation Answer: B) 440

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Filed Under: Problems on Trains
Exam Prep: Bank Exams

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Q:

One of the roots of the equation x2 - 4x + k = 0 is x = 3. The other root is

A) x = -1 B) x = -4
C) x = 1 D) x = 4
 
Answer & Explanation Answer: C) x = 1

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

The table given below shows the information about bats manufactured by 6 different companies. Each company manufactures only plastic and wooden bats. Each company labels these bats as Brand A and Brand B. The table shows the number of plastic bats as a percentage of total bats manufactured by each company. It also shows the ratio of wooden bats labeled A and B. Each company manufactured a total of 550000 bats.

What is the total number of wooden bats of brand A manufactured by company T?

A) 23420 B) 22990
C) 68920 D) 72600
 
Answer & Explanation Answer: D) 72600

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Filed Under: Table Charts
Exam Prep: Bank Exams

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Q:

A regular pyramid has a square base. The height of the pyramid is 22 cm and side of its base is 14 cm. Volume of pyramid is equal to the volume of a sphere. What is the radius (in cm) of the sphere?

A) 493 B) 7
C) 14 D) 983
 
Answer & Explanation Answer: B) 7

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

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Q:

Consider two-digit numbers which remain the same when the digits interchange their positions. What is the average of such two-digit numbers?

 

A) 33 B) 44
C) 55 D) 66
 
Answer & Explanation Answer: C) 55

Explanation:

All such 2 digit numbers are 11,22,33,44....... upto 99

Forms an AP

So sum = n/2(a+l)

= 9/2(11+99)

Average = sum/9 = ½(11+99) = 55

 

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Filed Under: Numbers
Exam Prep: Bank Exams

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Q:

In each of the following question below are given some statements followed by some conclusions. Taking the given statements to be true even if they seem to be at variance from commonly known facts, read all the conclusions and then decide which of the given conclusion logically follows the given statements.


Statements:
I. All cups are vegetable.
II. All vegetable are pens.


Conclusions:
I. Some pens are vegetable.
II. Some pens are cups.

A) Only conclusion (I) follows. B) Only conclusion (II) follows.
C) Both conclusion follow. D) Neither conclusion (I) nor conclusion (II) follows.
 
Answer & Explanation Answer: C) Both conclusion follow.

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Filed Under: Statement and Conclusions
Exam Prep: Bank Exams

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Q:

Read the given statements and the following conclusions carefully and select which of the conclusions logically follow(s) from the statements.
Statements:
• All blue are colours.
• All colours are shades.
Conclusions:
1. All blue are shades.
2. Some shades are colours.

A) All the conclusions follow. B) Only conclusion 1 follows.
C) Only conclusion 2 follows. D) No conclusions follow.
 
Answer & Explanation Answer: A) All the conclusions follow.

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Filed Under: Statement and Conclusions
Exam Prep: AIEEE , Bank Exams , CAT

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