Aptitude and Reasoning Questions

Q:

Physiology :Biology :: Metaphysics : ?

A) Physics B) Statistics
C) Mathematics D) Philosophy
 
Answer & Explanation Answer: D) Philosophy

Explanation:

Physiology is a branch of biology. Similarly, mathematics is a branch of philosophy.

 

Hence, Physiology : Biology :: Metaphysics : Philosophy.

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Filed Under: Analogy
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5 4593
Q:

Count the number of cubes in the given figure.

A) 8 B) 9
C) 12 D) 15
 
Answer & Explanation Answer: D) 15

Explanation:

Clearly, there are 4 columns containing 1 cube each, 4 columns containing 2 cubs each and 1 column containing 3 cubes.

Hence, there are (4 x 1) + (4 x 2) + (1 x 3) = 4 + 8 + 3 = 15 cubes in the given figure.

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Filed Under: Cubes and Dice

26 4588
Q:

Mary is 12 years younger to Pinky. After 3 years, the ratio of their ages will be 5:8. If the present age of Sam is the sum of ages of Mary and Pinky, then what was the age of Sam 15 years back ?

A) 31 years B) 37 years
C) 46 years D) 29 years
 
Answer & Explanation Answer: A) 31 years

Explanation:

Let the present age of Pinky be x years

 

Then the age of Mary is x - 12 years

 

After 3 years,

 

Ratio of  MaryPinky = x - 9x + 3 = 58

 

8x - 72 = 5x +15

 

=> 3x = 87

 

=> x = 29

 

=> Age of Pinky = 29 years

 

=> Age of Mary = 29 - 12 = 17 years

 

Present age of Sam = 29 + 17 = 46

 

Before 15 years Sam age = 46 - 15 = 31 years.

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Filed Under: Problems on Ages
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9 4587
Q:

The value of log55log49log32 is :

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

Explanation:
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Filed Under: Logarithms

17 4583
Q:

Look carefully at the sequence of symbols to find the pattern.

 

Which of the following will replace the (?) in the sequence?

 

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

Explanation:
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Filed Under: Pattern Completion
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6 4580
Q:

In a game of 100 points, A can give B 20 points and C 28 points. Then, B can give C:

A) 8 points B) 10 points
C) 14points D) 40points
 
Answer & Explanation Answer: B) 10 points

Explanation:

A : B = 100 : 80.

 

A : C = 100 : 72.

 

B:C = B/A*A/C = 80/10*100/72 = 10/9 = 100/90 = 100:90

 

 B can give C 10 points

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Filed Under: Races and Games

15 4580
Q:

In a regular week, there are 5 working days and for each day, the working hours are 8. A man gets Rs. 2.40 per hour for regular work and Rs. 3.20 per hours for overtime. If he earns Rs. 432 in 4 weeks, then how many hours does he work for ?

A) 145 B) 165
C) 175 D) 135
 
Answer & Explanation Answer: C) 175

Explanation:

Given that,

 working days = 5

 working hours = 8

 A man get rupess per hour is Rs.2.40

 So in one day the man get total rupees is 2.40 x 8 = 19.2

 So in 5 days week the man get total rupees is 19.2 x 5 = 96

 So in 4 week the man get total rupees is 96 x 4 = 384

 So the man worked for = 160hours in 4 weeks

 

 But given that the man earned Rs.432

 

 Hence remaning money is (432-384 = 48)which is earn by doing overtime work

 


Overtime hours  = 48/3.20 = 15


So total worked hours is = 15 + 160 = 175.

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Filed Under: Time and Work
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4 4577
Q:

On the occasion of New Year, each student of a class sends greeting cards to the others. If there are 21 students in the class, what is the total number of greeting cards exchanged by the students?

A) 380 B) 420
C) 441 D) 400
 
Answer & Explanation Answer: B) 420

Explanation:

Given total number of students in the class = 21

 

So each student will have 20 greeting cards to be send or receive (21 - 1(himself))

 

Therefore, the total number of greeting cards exchanged by the students = 20 x 21 = 420.

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