Aptitude and Reasoning Questions

Q:

The probability of success of three students X, Y and Z in the one examination are 1/5, 1/4 and 1/3 respectively. Find the probability of success of at least two.

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

Explanation:

P(X) = 15, P(Y) =14 , P(Z) = 13

 

Required probability:

 

= [ P(A)P(B){1−P(C)} ] + [ {1−P(A)}P(B)P(C) ] + [ P(A)P(C){1−P(B)} ] + P(A)P(B)P(C)

 

=14*13*45+34*13*15+23*14*15+14*13*15

 

460+360+260+160106016

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Filed Under: Probability

19 20201
Q:

Which of the following terms follows the trend of the given list?

 

XYYYYYY, XXYYYYY, XXXYYYY, XXXXYYY, XXXXXYY, _______________.

 

A) XXXXXXX B) XYYYYYY
C) XXYYYYY D) XXXXXXY
 
Answer & Explanation Answer: D) XXXXXXY

Explanation:
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Filed Under: Alphabet Test
Exam Prep: Bank Exams

4 20143
Q:

How many window coverings are necessary to span 50 windows, if each window covering is 15 windows long?

A) 4 B) 15
C) 3 D) 50
 
Answer & Explanation Answer: A) 4

Explanation:

Given that, 

Number of windows = 50

Each window covering covers 15 windows

=> 50 windows requires 50/15 window coverings

= 50/15 = 3.333

 

Hence, more than 3 window coverings are required. In the options 4 is more than 3. 

 

Hence, 4 window coverings are required to cover 50 windows of each covering covers 15 windows.

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Filed Under: Average
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO , Database Administration , IT Trainer

13 20139
Q:

Select the related word/letters/number from the given alternatives.

 

RST:QPO:: MNO:: ?

 

A) YZA B) GHI
C) BAC D) LKJ
 
Answer & Explanation Answer: D) LKJ

Explanation:
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Filed Under: Alphabet Test
Exam Prep: Bank Exams

0 20134
Q:

Refer the below data table and answer the following question.

If the imports in 2012 was Rs. 700 crores and the total exports in the years 2012 and 2013 together was Rs. 4000 crores, then the imports in 2013 was ?

A) 3888 B) 3222
C) 778 D) 2500
 
Answer & Explanation Answer: B) 3222

Explanation:
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Filed Under: Table Charts
Exam Prep: CAT , Bank Exams

1 20126
Q:

Choose the correct figure to fill in the blank space.

     Problem Figure

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

Explanation:
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Filed Under: Image Analysis
Exam Prep: Bank Exams

0 20111
Q:

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

1. Sonorous

2. Sometimes

3. Somber

4. Solution

5. Solve

A) 42513 B) 45321
C) 12543 D) 32415
 
Answer & Explanation Answer: B) 45321

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

0 20097
Q:

In the following question, select the related letter pair from the given alternatives.

 

ZEM : XCK : : ? : ?

 

A) SRV : RPT B) RUX : PSV
C) KNT : JLR D) NRT : LPS
 
Answer & Explanation Answer: B) RUX : PSV

Explanation:
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Filed Under: Alphabet Test
Exam Prep: Bank Exams

1 20091