Aptitude and Reasoning Questions

Q:

The sum of the first 10 prime numbers is

A) even B) odd
C) 0 D) none
 
Answer & Explanation Answer: B) odd

Explanation:

To find the sum of first 10 prime numbers

First 10 prime numbers = 2, 3, 5, 7, 11, 13, 17, 19, 23, 29

 

Hence, The sum of the first 10 prime numbers is

(2+3+5+7+11+13+17+19+23+29) = 129 (ODD Number).

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Filed Under: Arithmetical Reasoning
Exam Prep: AIEEE , Bank Exams , CAT
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5 3210
Q:

A,B and C together can finish a task in 7.5 days. C is thrice as productive as A and B alone can do the task in 15 days. In how many days can A and C do the job if B goes on leave?

A) 30 B) 10
C) 20 D) 15
 
Answer & Explanation Answer: D) 15

Explanation:
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Filed Under: Time and Work
Exam Prep: Bank Exams

11 3206
Q:

Which letter has at least one line of symmetry?

A) A B) C
C) O D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

The letter A has a vertical axis of symmetry.

The letter C has a horizontal axis of symmetry.

The letter O has more than one axis of symmetry, including vertical axis and horizontal axis.

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Filed Under: Arithmetical Reasoning
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2 3205
Q:

For a nominal interest rate of 8.4%, what is the compounding frequency if the periodic interest rate is 4.2

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

Explanation:

i=j/m

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Filed Under: Compound Interest
Exam Prep: Bank Exams
Job Role: Bank PO

0 3202
Q:

The following bar graph shows the percentage of chairs produced by two companies Neel Kamal and Raj Kamal during five different years. Bar graph also shows the total no. of chairs produced in different years associated with it. Study the graph carefully to answer the following questions.

bar_g1527828671.jpg image

Question 1)  Find the average no. of chairs produced by Raj Kamal in the years 2004, 2006 and 2007 together.

 

Question 2)  What is the ratio of no. of chairs produced by Neel Kamal in the years 2007 and 2008 together to that by Raj Kamal in the same years together?

 

Question 3)  If 12% chairs out of total chairs produced in the year 2008 were defective and in them ratio of defective chairs by Raj Kamal and Neel Kamal is 2 : 3 then find the no. of defective chairs produced by Neel Kamal in the year 2008.

Answer

Answer 1)  


1/3 x (54 x 150 + 60 x 300 + 36 x 450)


= 1/3 x 42300


= 14100.


 


Answer 2)


Required ratio of chairs = 64 x 450 + 56 x 50036 x 450 + 44 x 500


= 56800/38200


= 284/191.


 


Answer 3)


 


Required number of chairs =  35 x 12100 x 50000
= 3600.


 

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7 3201
Q:

Which of the following statement is sufficient to answer the question?

 

How is Bhavana related to Satish

 

Statements :

 

I. Bhavana's mother is Rajyam

II. Rajyam's son is Satiish

 

A) Neither I nor II is sufficient B) Both I and II are sufficient
C) Only I is sufficient while II is not D) Only II is sufficient while I is not
 
Answer & Explanation Answer: A) Neither I nor II is sufficient

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

0 3200
Q:

If 133 = 20, 127 = 10 and 125 = 14 then find the value of 162?

A) 14 B) 4
C) 28 D) 8
 
Answer & Explanation Answer: C) 28

Explanation:
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Filed Under: Coding and Decoding
Exam Prep: Bank Exams
Job Role: Bank PO , Bank Clerk

6 3199
Q:

How many such digits are there in the number 84315269 each of which is as far away from the beginning of the number as when the digits are rearranged in ascending order?

A) None B) one
C) two D) three
 
Answer & Explanation Answer: D) three

Explanation:
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Filed Under: Verbal Reasoning - Mental Ability
Exam Prep: Bank Exams
Job Role: Bank PO

7 3196