Aptitude and Reasoning Questions

Q:

The current of a stream at 1 kmph. A motor boat goes 35 km upstream and back to the starting point in 12 hours. The speed of the motor boat in still water is ?

A) 8 kmph B) 6 kmph
C) 7.5 kmph D) 5.5 kmph
 
Answer & Explanation Answer: B) 6 kmph

Explanation:

Speed of the stream = 1
Motor boat speed in still water be = x kmph
Down Stream = x + 1 kmph
Up Stream = x - 1 kmph
[35/(x + 1)] + [35/(x - 1)] = 12
x = 6 kmph

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

70 27700
Q:

What percent decrease in salaries would exactly cancel out the 20 percent increase ?

A) (16 + 2/3) % B) (15 + 2/3)%
C) (14 +1/3)% D) (13 + 4/5)%
 
Answer & Explanation Answer: A) (16 + 2/3) %

Explanation:

Let the orginal salary = Rs. 100. New's salary = Rs.120.

Decrease on 120 = 20. Decrease on 100 = [(20/120)*100]% = (16 + 2/3) %. 

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Filed Under: Percentage

55 27680
Q:

The difference between the length and breadth of a rectangle is 23 m. If its perimeter is 206 m, then its area is:

A) 2520 B) 2420
C) 2320 D) 2620
 
Answer & Explanation Answer: A) 2520

Explanation:

We have: (l - b) = 23 and 2(l + b) = 206 or (l + b) = 103.
Solving the two equations, we get: l = 63 and b = 40.
Area = (l x b) = (63 x 40) = 2520 sq.m

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

29 27668
Q:

Read the staement and select a conclusion out of the given alternatives.

 

Statement :

 

Movies convince viewers that the likelihood of their becoming the victim of a violent crime is extremely high; at the same time by their very nature, movies persuade viewers to passively accept whatever happens to them.

 

A) Movies viewing promotes criminal behaviour B) Movies viewers are most likely to be victimized than others
C) People should not watch movies D) Movies promotes a feeling of helpless vulnerability in viewers
 
Answer & Explanation Answer: D) Movies promotes a feeling of helpless vulnerability in viewers

Explanation:
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Filed Under: Statement and Conclusions
Exam Prep: Bank Exams

0 27660
Q:

A man pointing to a photograph says, 'The lady in the photograph is my nephew's maternal grandmother." How is the lady in the photograph related to the man's sister who has no other sister ?  

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

Explanation:

Clearly, the lady is the grandmother of man's sister's son i.e.. the mother of the mother of man's sister's son 

i.e., the mother of man's sister. So, the lady is man's mother.  

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Filed Under: Blood Relations

24 27636
Q:

Arrange the following words as per order in the dictionary.
1. Situation
2.Silver
3.Sitter
4.Simple
5.Signal

A) 5, 1, 3, 2, 4 B) 1, 4, 2, 5, 3
C) 5, 2, 4, 3, 1 D) 4, 2, 1, 5, 3
 
Answer & Explanation Answer: C) 5, 2, 4, 3, 1

Explanation:
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Filed Under: Logical Sequence of Words
Exam Prep: Bank Exams

5 27633
Q:

A word consists of 9 letters; 5 consonants and 4 vowels.Three letters are choosen at random. What is the probability that more than one vowel will be selected ?

A) 13/42 B) 17/42
C) 5/42 D) 3/14
 
Answer & Explanation Answer: B) 17/42

Explanation:

3 letters can be choosen out of 9 letters in 9C3 ways.

 

More than one vowels ( 2 vowels + 1 consonant  or  3 vowels ) can be choosen in (4C2*5C1)+4C3 ways

 

Hence,required probability = 4C2*5C1+4C39C3 = 17/42

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Filed Under: Probability

55 27622
Q:

The cost price of a Rs.100 stock at 4 discount, when brokerage is 14% is :

A) Rs.95.75 B) Rs.96
C) Rs.96.25 D) Rs.104.25
 
Answer & Explanation Answer: C) Rs.96.25

Explanation:

CP. =Rs.100-4+14 = Rs.96.25

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Filed Under: Stocks and Shares

18 27596