Aptitude and Reasoning Questions

Q:

A bar graph showing the heights of six mountain peaks. Study the bar graph and answer questions.

When the heights of the given peaks are written in ascending order, what is the average of the middle two peaks?

A) 7950 m B) 7560 m
C) 7650 m D) 7850 m
 
Answer & Explanation Answer: D) 7850 m

Explanation:
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Filed Under: Bar Charts
Exam Prep: Bank Exams

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Q:

When I went back to my hometown three years ago, I found that a lot of changes ______.

A) were taken place B) are taken place
C) had taken place D) have taken place
 
Answer & Explanation Answer: C) had taken place

Explanation:

Since he is telling about the thing that had happened in past.

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Filed Under: Analogy
Exam Prep: AIEEE , GRE , TOEFL

11 10887
Q:

The circumference of a circle, whose area is 24.64 sq.m

A) 14.64 B) 16.36
C) 17.60 D) 18.40
 
Answer & Explanation Answer: C) 17.60

Explanation:

πr2 =26.64

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

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Q:

If the price of a commodity is decreased by 20% and its consumption is increased by 10%, what will be the increase or decrease in the expenditure on the commodity?

A) increase 12% B) decrease 12%
C) increase 16% D) decrease 16%
 
Answer & Explanation Answer: B) decrease 12%

Explanation:

Given the price of a commodity is decreased by  p = 20%

And its consumption is increased by q = 10%

Now, required increase or decrease in the expenditure on the commodity can be 

p + q + pq/100 = -20 + 10 - 200/100 = -10 - 2 = -12%.

 

Hence, decrease in the expenditure = 12%

 

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

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Q:

If the positions of the third and tenth letters of the word 'DOCUMENTATION' are interchanged, and likewise the position of the fourth and seventh letters, the second and sixth letters, is also interchanged, which of the following will be eleventh letter from the right end ?

A) U B) C
C) T D) I
 
Answer & Explanation Answer: C) T

Explanation:

The new letter sequance is D E T N M O U T A C I O N 

Clearly the eleventh letter is T

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Filed Under: Alphabet Test

78 10883
Q:

Find x if 

log1218 = log24x + 1. log24x+1 + 4

A) 0 B) 1
C) 2 D) None of these
 
Answer & Explanation Answer: A) 0

Explanation:

By trial and error method, when we substitute 

x = 0

Both LHS and RHS are equal.

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Filed Under: Logarithms
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

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Q:

In one hour, a boat goes 12 km/hr along the stream and 6 km/hr against the stream. The speed of the boat in still water (in km/hr) is:

A) 9 B) 8
C) 7 D) 7.5
 
Answer & Explanation Answer: A) 9

Explanation:

Speed in still water = Average of Speed in Upstream and speed in Downstream

= 1/2 (12 + 6) kmph = 9 kmph.

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

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Q:

66 cubic centimetres of silver is drawn into a wire 1 mm in diameter. The length of the wire in metres will be:

A) 84 B) 90
C) 168 D) 336
 
Answer & Explanation Answer: A) 84

Explanation:

Let the length of the wire be h. 

Radius  r =1/2 mm = 1/20 cm  

πr2h = 66  

=> h= (66 x 20 x 20) x (7/22) = 8400cm = 84m 

 

 

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