Aptitude and Reasoning Questions

Q:

Arrange the given words in the sequence in which they occur in the dictionary.

 

i. Cease
ii. Consecutive
iii. Constructive
iv. Cement

 

A) iii, i, iv, ii B)  i, iv, ii, iii
C) i, iv, iii, ii D) iv, i, ii, iii
 
Answer & Explanation Answer: B)  i, iv, ii, iii

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

1 16540
Q:

A box contains 100 balls, numbered from 1 to 100. If three balls are selected at random and with replacement from the box, what is the probability that the sum of the three numbers on the balls selected from the box will be odd?

A) 1/6 B) 1/3
C) 1/2 D) 1/4
 
Answer & Explanation Answer: C) 1/2

Explanation:

P(odd) = P (even) =12 1(because there are 50 odd and 50 even numbers)

 

Sum or the three numbers can be odd only under the following 4 scenarios:

 

Odd + Odd + Odd = 12*12*1218

 

Odd + Even + Even = 12*12*12=18

 

Even + Odd + Even = 12*12*12=18

 

Even + Even + Odd = 12*12*12 = 18

 

Other combinations of odd and even will give even numbers. 

 

Adding up the 4 scenarios above:

 

1818+1818 = 48 = 12

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Filed Under: Probability

10 16538
Q:

Arrange the given words in the sequence in which they occur in the dictionary.

1. Scrape

2. Scramble

3. Scream

4. Scornful

5. Scour

A) 12354 B) 35421
C) 51243 D) 45213
 
Answer & Explanation Answer: D) 45213

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

0 16536
Q:

The third proportional tox2-y2 and x-y is :

A) (x + y ) B) (x - y)
C) (x + y) / ( x - y) D) (x -y) / ( x + y)
 
Answer & Explanation Answer: D) (x -y) / ( x + y)

Explanation:

Let the third proportional to x2-y2 and x-y be z. Then, 

 

x2-y2:x-y::x-y:z  

 

=>x2-y2*z=x-y2  

 

=> z=x-y2x2-y2=x-yx+y

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Filed Under: Ratios and Proportions

65 16532
Q:

The average age of a group of persons going for picnic is 16 years. Twenty new persons with an average age of 15 years join the group on the spot due to which their average age becomes 15.5 years. The number of persons initially going for picnic is :

A) 15 B) 20
C) 23 D) 24
 
Answer & Explanation Answer: B) 20

Explanation:

Let the initial number of persons be x. Then,

16x + 20 * 15 = 15.5 (x + 20) <=> 0.5x = 10 <=> x = 20.

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Filed Under: Average

19 16530
Q:

Arrange the given words in the sequence in which they occur in the dictionary.

1. Dispel

2. Dispute

3. Distinct

4. Dissent

5. Disrupt

 

A) 35412 B) 15342
C) 23415 D) 12543
 
Answer & Explanation Answer: D) 12543

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

0 16519
Q:

Identify the diagram that best represents the relationship among the given classes.

Biosphere, Hydrosphere, Atmosphere

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

Explanation:
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Filed Under: Logical Venn Diagram
Exam Prep: Bank Exams

3 16517
Q:

Read the statements and select a conclusion from the given alternatives.

Statements :

All pens are pencils. Some pencils are erasers. Some erasers are ropes. All ropes are tents.

Conclusions :

I. Some tents are trams
II. Some ropes are pens
III. Some erasers are pens
IV. Some pencils are pens

 

A) Only I and II follow B) Only I, II and III follow
C) Only I and III follow D) Only IV follows
 
Answer & Explanation Answer: D) Only IV follows

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

0 16509