Aptitude and Reasoning Questions

Q:

What is the total surface area of a right circular cone of height 14 cm and base radius 7 cm?

A) 344.35 sq.cm B) 462 sq.cm
C) 498.35 sq.cm D) None of these
 
Answer & Explanation Answer: C) 498.35 sq.cm

Explanation:

h = 14 cm, r = 7 cm.  

So, l =72+142 = 245 = 75cm   

Total surface area = πrl+πr2 = 227×7×75 + 227×7×7 

=1545+1 

= (3.236 x 154) sq.cm   

= 498.35 sq.cm

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6 16554
Q:

Two boys starting from the same place walk at a rate of 5kmph and 5.5kmph respectively. What time will they take to be 8.5km apart, if they walk in the same direction?

A) 15 hours B) 16 hours
C) 17 hours D) 18 hours
 
Answer & Explanation Answer: C) 17 hours

Explanation:

In this type of questions we need to get the relative speed between them,
The relative speed of the boys = 5.5kmph – 5kmph
= 0.5 kmph

Distance between them is 8.5 km
Time = Distance/Speed
Time= 8.5km / 0.5 kmph = 17 hrs

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Filed Under: Time and Distance
Exam Prep: GRE

15 16553
Q:

Hemant in order to go to university started from his house in the east and came to a crossing. The road to the left ends in a theatre, straight ahead is the hospital. In which direction is the university?

A) North B) South
C) East D) West
 
Answer & Explanation Answer: A) North

Explanation:

Therefore university is in North.

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Filed Under: Direction Sense Test

63 16550
Q:

Sanjeev ranks seventh from the top and twenty eighth from the bottom in a class. How many students are there in the class?

A) 33 B) 36
C) 35 D) 34
 
Answer & Explanation Answer: D) 34

Explanation:

Total number of students in the class = 28 + 6 i.e, from top(7-1)

28 + 6 = 34  

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64 16548
Q:

A man whose speed is 4.5 kmph in still water rows to a certain upstream point and back to the starting point in a river which flows at 1.5 kmph, find his average speed for the total journey ?

A) 5 kmph B) 7 kmph
C) 3 kmph D) 4 kmph
 
Answer & Explanation Answer: D) 4 kmph

Explanation:

Speed of Man = 4.5 kmph
Speed of stream = 1.5 kmph
Speed in DownStream = 6 kmph
Speed in UpStream = 3 kmph
Average Speed = (2 x 6 x 3)/9 = 4 kmph.

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Filed Under: Time and Distance
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Bank Clerk , Bank PO

16 16541
Q:

Refer the below data table and answer the following question.

What is the average bonus in Rs. ?

 

A) 606154 B) 7880002
C) 253333 D) 224000
 
Answer & Explanation Answer: A) 606154

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

0 16534
Q:

Arun said, "This girl is the wife of the grandson of my mother." Who is Arun to the girl ? 

A) Father B) Grandfather
C) Husband D) Father-in-law
 
Answer & Explanation Answer: D) Father-in-law

Explanation:

 Mother's grandson — Son, Son's wife — Daughter-in.law 

 

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Filed Under: Blood Relations

54 16519
Q:

The following questions are based on the information given below

 

In a school of 4000 students 3000 know English, 2000 know French and 5000 know Hindi, 1500 know French and English, 300 know French and Hindi, 200 know English and Hindi and 50 know all the three languages.

 

How many know atleast one language?

A) 3500 B) 3000
C) 1850 D) 3550
 
Answer & Explanation Answer: A) 3500

Explanation:
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Filed Under: Logical Venn Diagram
Exam Prep: Bank Exams

0 16509