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 19849
Q:

Select the term missing from the given series?

 

PG, QH, RI, ?

 

 

A) LT B) ST
C) JK D) SJ
 
Answer & Explanation Answer: D) SJ

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

3 19829
Q:

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

1. Seaman

2. Scruples

3. Script

4. Second

5. Seat

A) 32154 B) 45321
C) 12345 D) 25341
 
Answer & Explanation Answer: A) 32154

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

1 19817
Q:

Find the remainder in the expression 557 x 653 x 6729?

 

A) 0 B) 3
C) 5 D) 6
 
Answer & Explanation Answer: D) 6

Explanation:
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Filed Under: Problems on Numbers
Exam Prep: Bank Exams

1 19816
Q:

Find the minimum number of straight lines in the below figure ?

                441484547526.png image

A) 20 B) 19
C) 17 D) 15
 
Answer & Explanation Answer: B) 19

Explanation:

The given figure can be labelled as :

  44-1u1484547679.png image 

Straight lines :

The number of straight lines are 19

i.e. BC, CD, BD, AF, FE, AE, AB, GH, IJ, KL, DE, AG, BH, HI, GJ, IL, JK, KE and DL.

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Filed Under: Analytical Reasoning
Exam Prep: CAT , Bank Exams
Job Role: Bank PO , Bank Clerk

19 19806
Q:

If a number 6573547x45 is divisible by 9, then find the value of x.

 

A) 7 B) 0
C) 8 D) 6
 
Answer & Explanation Answer: C) 8

Explanation:
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Filed Under: Problems on Numbers
Exam Prep: Bank Exams

1 19802
Q:

The ratios of areas of two squares, one having its diagonal double than the other is

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

Explanation:

ratio = 1/2×2d212d2=4:1

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

49 19796
Q:

Choose the number pair/group which is different from others?

A) 7: 22 B) 12 : 37
C) 8 : 33 D) 15 : 46
 
Answer & Explanation Answer: C) 8 : 33

Explanation:

In all other pairs, 2nd number = (1st number × 3) + 1.

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Filed Under: Classification

151 19763