Aptitude and Reasoning Questions

Q:

In the following question, a matrix of certain characters is given.These characters follow a certain trend, row-wise or column wise.Find out this trend and choose the missing character accordingly.

1 3 7
5 12 14
25 ? 28
125 192 56

A) 64 B) 56
C) 48 D) 40
 
Answer & Explanation Answer: C) 48

Explanation:

 

 

 

 

The sequence in first column is x 5. Thus, 1 x 5 = 5,  5 x 5 = 25,  25 x 5 = 125.
The sequence in third column is x 2. Thus, 7x 2 = 14,  14 x 2 = 28,  28 x 2 = 56.
The sequence in second column is x 4.
.'. Missin number = 12 x 4 = 48.

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Q:

The area of a regular hexagon is equal to the area of the square. What is the ratio of the perimeter of the regular hexagon to the perimeter of square?

A) 63 : 36 B) 23 : 62
C) 63 : 2 D) 63 : 23
 
Answer & Explanation Answer: D) 63 : 23

Explanation:
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Filed Under: Area
Exam Prep: Bank Exams

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Q:

If the age of father is 4 years greater than the mother and 28 years greater than the son,then what is the age of the father?

which one should be used to calculate the age ?

A) mother/son = Non-prime number
B) mother/son = Perfect square number

A) only A alone is sufficient B) only B alone is sufficient
C) both A and B are required D) Cannot be answered
 
Answer & Explanation Answer: B) only B alone is sufficient

Explanation:

For the given problem there are three possiblities.
Father's age can be = 36, 31, 29
Mother's age = 32, 27, 25
Son's age = 8, 3, 1.

By using only B it can be calculated.

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Filed Under: Statement and Conclusions
Exam Prep: AIEEE , Bank Exams , CAT , GATE , GRE
Job Role: Bank Clerk , Bank PO

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Q:

A swimming pool is filled in 10 hours by three tankers A, B and C. The tanker C is twice as fast as B and B is twice as fast as A. How much time will tanker A alone take to fill the swimming pool?

A) 90 hours B) 40 hours
C) 70 hours D) 80 hours
 
Answer & Explanation Answer: C) 70 hours

Explanation:
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Filed Under: Pipes and Cistern
Exam Prep: AIEEE , Bank Exams , CAT

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Q:

A starts from a point at a speed of 30 metre/second. After 3 seconds, B starts chasing A from the same point with a speed of 50 metre/second. What will be the total distance (in metres) travelled by A and B before A is caught by B?

A) 360 B) 450
C) 600 D) 720
 
Answer & Explanation Answer: B) 450

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

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Q:

If x+1x=5, then the value of 6xx2+x+1 is,

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

Explanation:
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Q:

The line graph shows the number of students admitted in the given year to a certain university. Study the diagram and answer the following question.

In which year were admissions greater than that of the previous year?

A) 2013 B) 2012
C) 2015 D) 2014
 
Answer & Explanation Answer: A) 2013

Explanation:
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Filed Under: Line Charts
Exam Prep: Bank Exams

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Q:

Pipes A and B can fill a cistern in 15 hours together. But ifthese pipes operate separately A takes 40 hours less than Bto fill the tank. In how many hours the pipe A will fill thecistern working alone?

A) 60 B) 20
C) 40 D) 15
 
Answer & Explanation Answer: B) 20

Explanation:

Let A takes x hours, then B = (x+40) hours

1/x + 1/x+40 = 1/15

x = 20

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Filed Under: Pipes and Cistern

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