Aptitude and Reasoning Questions

Q:

A prime number contains the digit X at unit’s place. How many such digits of X are possible?

A) 3 B) 4
C) 5 D) 6
 
Answer & Explanation Answer: D) 6

Explanation:
For prime no units place cannot be occupied by even number except for 2
Thus no of digits occupying unit digit of prime numbers = 6 (1,2,3,5,7,9)
Example 2,3,5,7,11,19 in itself are prime numbers
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Filed Under: Numbers
Exam Prep: Bank Exams

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Q:

Statement: It is estimated that about twenty lakh people will visit the city during the ensuing festival.
Courses of action:
a. The civic authority should monitor the crowd and restrict entry of the people beyond a manageable number.
b. The local police authority should be put on high alert to maintain law and order during the festival.
c. All the hospitals in the city should be put on high alert in case of any eventuality.

A) Only a follows B) Both b & c follows
C) Only c follows D) Both a and b sufficient
 
Answer & Explanation Answer: B) Both b & c follows

Explanation:

Clearly, People cannot be deprived of enjoying the festival for lack of arrangements. Also, it becomes necessary to deploy police to regulate big crowds and avert any mishap in public gatherings. Further, it costs nothing but might prove useful to put hospitals on alert to be ready to provide quick medical aid to patients in case of any eventuality. So, both b and c follow.

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Filed Under: Statement and Courses of Action
Exam Prep: Bank Exams , CAT , GATE , GRE
Job Role: Bank Clerk , Bank PO

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Q:

In how many different ways the letters of the word 'TRANSFORMER' can be arranged such that 'N' and 'S' always come together?

A) 112420 B) 85120
C) 40320 D) 1209600
 
Answer & Explanation Answer: D) 1209600

Explanation:

Given word is TRANSFORMER.

Number of letters in the given word = 11 (3 R's)

 

Required, number of ways the letters of the word 'TRANSFORMER' can be arranged such that 'N' and 'S' always come together is

10! x 2!/3!

= 3628800 x 2/6

= 1209600

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Q:

5/8 as a Decimal Equals To

A) 0.625 B) 0.541
C) 0.258 D) 0.147
 
Answer & Explanation Answer: A) 0.625

Explanation:

5/8 is Nothing but to divide 5 into 8 parts.

 

 

As 5 is smaller than 8, the quotient starts with a decimal point to make 5 as 50 to be divisible by 8. (0.)

 

 

Now 50 goes for 6 times in 8 leaving a remainder 2. (0.6)

 

  

Again 2 is smaller than 8, As it already has decimal point in the quotient, now 2 becomes 20.

 

  

Now 20 goes for 2 times in 8 leaving a remainder 4. (0.62)

 

  

Again 4 is smaller than 8, As it already has decimal point in the quotient, now 4 becomes 40.

 

 

Now 40 goes for 5 times in 8 leaving a remainder 0. (0.625)

 

 

Therefore, the decimal value of 58 is 0.625.

 

Now find a decimal value of 1117 and Discuss your at Discuss.

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Filed Under: Decimal Fractions
Exam Prep: GATE , CAT , Bank Exams , AIEEE
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Q:

A piece of paper is folded and punched as shown below. Indicate how it will appear when it is opened?

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

Explanation:
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Filed Under: Paper Folding
Exam Prep: Bank Exams

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Q:

Sum of factors of 4b2c2-(b2+c2-a2)2 is 

A) a + b + c B) 2(a + b + c)
C) 0 D) 1
 
Answer & Explanation Answer: B) 2(a + b + c)

Explanation:
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Q:

If V is the brother of U, U is the sister of W and X is the husband of U, then U is V's

A) Aunt B) Sister
C) Sister-in-law D) Mother
 
Answer & Explanation Answer: B) Sister

Explanation:
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Filed Under: Blood Relations
Exam Prep: Bank Exams

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Q:

Which of the following diagrams indicates the best relation between Detectives, Spies and Men with Beards?

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

Explanation:
Some men can be detectives; some spies can be men; some men can be spies; and some men can detective and spies both. So, option C suits best.
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Filed Under: Logical Venn Diagram

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