Aptitude and Reasoning Questions

Q:

What will Rs.1500 amount to in three years if it is invested in 20% p.a. compound interest, interest being compounded annually?

A) Rs.2592 B) Rs.2492
C) Rs.2352 D) Rs.2352
 
Answer & Explanation Answer: A) Rs.2592

Explanation:

The usual way to find the compound interest is given by the formula A = .p(1+r/100)^n

In this formula,

A is the amount at the end of the period of investment

P is the principal that is invested

r is the rate of interest in % p.a

And n is the number of years for which the principal has been invested.

In this case, it would turn out to be A =1500(1+20/100)^3

= 2592.

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

9 25334
Q:

The calendar for the year 1993 will be same for the year

A) 1999 B) 2004
C) 2010 D) 2021
 
Answer & Explanation Answer: A) 1999

Explanation:

NOTE :

Repetition of leap year ===> Add +28 to the Given Year.

Repetition of non leap year

Step 1 : Add +11 to the Given Year. If Result is a leap year, Go to step 2.

Step 2:  Add +6 to the Given Year.

 

Solution : 

Given Year is 1993, Which is a non leap year.

Step 1 : Add +11 to the given year (i.e 1993 + 11) = 2004, Which is a leap year. 

Step 2 : Add +6 to the given year (i.e 1993 + 6) = 1999

Therfore, The calendar for the year 1993 will be same for the year 1999

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Filed Under: Calendar

116 25323
Q:

In a mixture of milk and water, there is only 26% water. After replacing the mixture with 7 liters of pure milk , the percentage of milk in the mixture  become 76%. The quantity of mixture is:

A) 65 liters B) 91 liters
C) 38 liters D) None of these
 
Answer & Explanation Answer: B) 91 liters

Explanation:

         Milk             Water 

         74%             26%        (initially) 

         76%             24%        ( after replacement) 

 

  Left amount = Initial amount 1-replaced amounttotal amount 

   24  = 261-7k

=> k = 91 

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Filed Under: Alligation or Mixture

52 25317
Q:

A man can row 6 kmph in still water. When the river is running at 1.2 kmph, it takes him 1 hour to row to a place and back. What is the total distance traveled by the man ?

A) 4.58 kms B) 6.35 kms
C) 5.76 kms D) 5.24 kms
 
Answer & Explanation Answer: C) 5.76 kms

Explanation:

Speed in still water = 6 kmph

Stream speed = 1.2 kmph

Down stream  = 7.2 kmph

Up Stream = 4.8 kmph

x/7.2 + x/4.8 = 1

x = 2.88

Total Distance  = 2.88 x 2 = 5.76 kms

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Filed Under: Boats and Streams
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Bank Clerk , Bank PO

37 25280
Q:

Select the figure that does NOT belong in the following group.

 

 

A) B B) D
C) C D) A
 
Answer & Explanation Answer: C) C

Explanation:
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Filed Under: Odd Man Out
Exam Prep: Bank Exams

0 25274
Q:

Aizaz was born on 5th January 2015, while Faiz was born 553days later. On which date was Faiz born?

 

A) 11th July 2016 B) 10th July 2016
C) 9th July 2016 D) 12th July 2016
 
Answer & Explanation Answer: A) 11th July 2016

Explanation:
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Filed Under: Calendar
Exam Prep: Bank Exams

31 25259
Q:

The following equation is incorrect. Which two signs should be interchanged to correct the equation?

 

16 x 4 - 10 + 10 ÷ 6 = 54

 

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

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

2 25211
Q:

The following equation is incorrect. Which two signs should be interchanged to correct the equation?

 

16 x 4 - 10 + 2 ÷ 12 = 18

 

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

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

1 25198