Aptitude and Reasoning Questions

Q:

A shopkeeper has a job to print certain number of documents and there are three machines P, Q and R for this job. P can complete the job in 3 days, Q can complete the job in 4 days and R can complete the job in 6 days. How many days the shopkeeper will it take to complete the job if all the machines are used simultaneously ?

A) 4/3 days B) 2 days
C) 3/2 days D) 4 days
 
Answer & Explanation Answer: A) 4/3 days

Explanation:

Let the total number of documents to be printed be 12.

 The number of documents printed by P in 1 day = 4.

 The number of documents printed by Q in 1 day = 3.

 The number of documents printed by R in 1 day = 2.

 
Thus, the total number of documents that can be printed by all the machines working simultaneously in a single day = 9.

 

Therefore, the number of days taken to complete the whole work = 12/9 = 4/3 days.

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Filed Under: Time and Work
Exam Prep: GRE , GATE , CAT , Bank Exams , AIEEE
Job Role: Bank PO , Bank Clerk , Analyst

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Q:

What would be the next number in the sequence 52, 56, 48, 64, 32, ?

A) 96 B) 48
C) 54 D) 81
 
Answer & Explanation Answer: A) 96

Explanation:

The given number series is 52, 56, 48, 64, 32, …

It follows a pattern that,

52

52 + 4 = 56

56 - 8 = 48

48 + 16 = 64

64 - 32 = 32

32 + 64 = 96

Therefore, the required next number in the given number series is 96.

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Filed Under: Number Series
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

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Q:

Lasya invested certain amount for two rates of simple interests at 5% p.a. and 4% p.a. What is the ratio of Lasya's investments if the interests from those investments are equal ?

A) 4 : 5 B) 5 : 4
C) 7 : 6 D) 6 : 7
 
Answer & Explanation Answer: A) 4 : 5

Explanation:

Let x be the investment of Lasya in 5% and y be in 4%

x(5)(n)/100 = y(4)(n)/100

=> x/y = 4/5

x : y = 4 : 5

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Filed Under: Simple Interest
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Bank Clerk , Bank PO

3 3889
Q:

Which of the following interchanges in signs will make the given equation correct?
17- 15 x 5 = 250

A) = and x B) + and -
C) = and - D) x and -
 
Answer & Explanation Answer: D) x and -

Explanation:
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Filed Under: Coding and Decoding
Exam Prep: Bank Exams

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Q:

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.

?, YZ, DE, JK

A) VU B) UV
C) TU D) TS
 
Answer & Explanation Answer: B) UV

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

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Q:

An investment bond is offered to the public at 9% p.a. Louise buys a bond worth $2000 that will mature in 2 years. How much in total will Louise receive at the end of the 2 years?

A) 3360 B) 2360
C) 4360 D) 5360
 
Answer & Explanation Answer: B) 2360

Explanation:

I = (P x r x t)/100

I = $360

A = P+I

A = 2360

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Filed Under: Simple Interest
Exam Prep: Bank Exams
Job Role: Bank PO

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Q:

If white is called black, black is called red, red is called yellow, yellow is called green, green is called blue, blue is called violet and violet is called orange, what would be the colour of human blood?

A) green B) black
C) red D) yellow
 
Answer & Explanation Answer: D) yellow

Explanation:
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Filed Under: Analytical Reasoning
Exam Prep: Bank Exams

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Q:

A train takes 10 sec to cross a bridge of length 100 m travelling at 90 kmph. Find the length of the train in meters.

A) 130 B) 120
C) 140 D) 150
 
Answer & Explanation Answer: D) 150

Explanation:
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Filed Under: Problems on Trains
Exam Prep: Bank Exams

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