Aptitude and Reasoning Questions

Q:

An electronic device when fed with the numbers, rearranges them in a particular order following certain rules. The following is a step-by-step process of rearrangement for the given input of numbers.

 

Input    :- 85   16   36   04   19   97   63   09

Step I   :- 97   85   16   36   04   19   63   09

Step II  :- 97   85   63   16   36   04   19   09

Step III :- 97   85   63   36   16   04   19   09

Step IV :- 97   85   63   36   19   16   04   09

Step V  :- 97   85   63   36   19   16   09   04

(for the given input step V is the last step).

 

Which of the following will be the last step for the given input ?

Input :- 03   31   43   22   11   09 

A) IV B) V
C) VI D) None of these
 
Answer & Explanation Answer: B) V

Explanation:

Clearly, in the given arrangement, the numbers have been arranged in descending order in a sequence, altering the position of only one number in each step

Input       : 03   31   43   22   11   09

Step I      : 43   03   31   22   11   09
Step II     : 43   31   03   22   11   09
Step III   : 43   31   22   03   11   09
Step IV   : 43   31   22   11   03   09
Step V    : 43   31   22   11   09   03

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17 7025
Q:

A tank is 25 m long, 12 m wide and 6 m deep. The cost of plastering its walls and bottom at 75 paise per sq. m, is:

A) rs.458 B) rs,558
C) rs.658 D) rs.758
 
Answer & Explanation Answer: B) rs,558

Explanation:

Area to be plastered= [2(l + b) x h] + (l x b)

= [2(25 + 12) x 6] + (25 x 12)

= (444 + 300)

= 744 sq.m

Cost of plastering = Rs.744 x (75/100)

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Filed Under: Area
Exam Prep: Bank Exams
Job Role: Bank PO

2 7020
Q:

In a school of 1500 boys, 35% are Hindu, 30% are Sikh,15% are Muslims and remainning are Christians. Find number of christian boys in the school ?

Answer

Given total number of boys in the school = 1500


In that 35% are Hindu, 30% are Sikh, 15% are Muslims


=> 35 + 30 + 15 = 80%


Remaining Boys = 100% - 80% = 20% of 1500


=> 20 x 1500/100 = 300 boys are Christians. 

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Subject: Percentage Exam Prep: AIEEE , Bank Exams , CAT
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6 7015
Q:

Lakshmi and Meena are Rohan's wifes. Shalini is Meena's step-daughter. How is Lakshmi related to Shalini ?

A) Sister B) Mother
C) Step-mother D) Mother-in-law
 
Answer & Explanation Answer: B) Mother

Explanation:

Shalini is Meena's step-daughter means Shalini is the daughter of the other wife of Rohan. 

So, Shalini is the daughter of Lakshmi or Lakshmi is the mother of Shalini 

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Filed Under: Blood Relations

2 7008
Q:

Wince : Pain :: Prostration : ?

A) Frustration B) Submissiveness
C) Strained D) Discomfiture
 
Answer & Explanation Answer: B) Submissiveness

Explanation:

First is the sigh of the second.

Hence, Wince : Pain :: Prostration :Submissiveness.

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Filed Under: Analogy
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4 7005
Q:

What is the probability that a leap year selected at random, will contain 53 sundays?

A) 1/7 B) 1/3
C) 2/7 D) 4/7
 
Answer & Explanation Answer: C) 2/7

Explanation:

In a leap year,there are 366 days=52 weeks and 2 days

Remaining favourable 2 days can be sunday and monday or saturday and sunday

Exhaustive number of cases =7

Favourable number of cases =2

So,required probability=2/7

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Filed Under: Probability

0 7003
Q:

Suresh introduces a man as " He is the son of the woman who is the mother of the husband of my mother ". How is Suresh related to the man ?  

A) Son-in-law B) Cousin
C) Father D) Son
 
Answer & Explanation Answer: D) Son

Explanation:
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Filed Under: Blood Relations
Exam Prep: AIEEE , Bank Exams , CAT
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18 6997
Q:

The ratio of present ages of Hema and Chinnu is 13:17. Four years ago the ratio of their ages was 11:15. What will be the ratio of their ages six years hence ?

A) 3 : 7 B) 7 : 9
C) 4 : 5 D) 1 : 3
 
Answer & Explanation Answer: C) 4 : 5

Explanation:

Let their present ages be 13x and 17x.
Then, 13x-4/17x-4 = 11/15.
Solving this, we get x = 2.
Required ratio = 13x2 + 6/17x2 + 6 = 32/40 = 4/5.

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Filed Under: Problems on Ages
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9 6997