Aptitude and Reasoning Questions

Q:

16 children are to be divided into two groups A and B of 10 and 6 children. The average percent marks obtained by the children of group A is 75 and the average percent marks of all the 16 children is 76. What is the average percent marks of children of group B ?

A) 233/3 B) 243/4
C) 254/5 D) 345/7
 
Answer & Explanation Answer: A) 233/3

Explanation:

 Required average = [(76 * 16) - (75 * 10)] / 6 = (1216 - 750)/6 = 466/3 = 233 /3.

 

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Filed Under: Average

13 16310
Q:

Count the number of triangles and squares in the given figure.

A) 36 triangles, 7 Squares B) 38 triangles, 9 Squares
C) 40 triangles, 7 Squares D) 42 triangles, 9 Squares
 
Answer & Explanation Answer: C) 40 triangles, 7 Squares

Explanation:

The figure may be labelled as shown 

 

 

Triangles :

 


The Simplest triangles are BGM, GHM, HAM, ABM, GIN, IJN, JHN, HGN, IKO, KLO, LJO, JIO, KDP, DEP, ELP, LKP, BCD and AFE i.e 18 in number

 

The triangles composed of two components each are ABG, BGH, GHA, HAB, HGI, GIJ, IJH, JHG, JIK, IKL, KLJ,LJI, LKD, KDE, DEL and ELK i.e 16 in number.

 

The triangles composed of four components each are BHI, GJK, ILD, AGJ, HIL and JKE i.e 6 in number.

 

Total number of triangles in the figure = 18 + 16 + 6 =40.

 

Squares :

 


The Squares composed of two components each are MGNH, NIOJ, and OKPL i.e 3 in number

 

The Squares composed of four components each are BGHA, GIJH, IKJL and KDEL i.e 4 in number

 

Total number of squares in the figure = 3 + 4 =7

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

91 16301
Q:

The year next to 2003 will have the same calendar as that of the year 2003?

A) 2024 B) 2014
C) 2009 D) 2020
 
Answer & Explanation Answer: B) 2014

Explanation:

Given year 2003, when divided by 4 leaves a remainder of 3.

NOTE: When remainder is 3, 11 is added to the given year to get the result.

So, 2003 + 11 = 2014

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Filed Under: Calendar

36 16284
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 16283
Q:

In the following question, select the missing number from the given series.

 

15, 22, 31, 42, 55, ?

 

A) 60   B) 68  
C) 70   D) 74
 
Answer & Explanation Answer: C) 70  

Explanation:
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Filed Under: Number Series
Exam Prep: Bank Exams

7 16278
Q:

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

i. Pitiful
ii. Plague
iii. Pitiless
iv. Plaque
v. Plankton

 

A) iii, i, ii, v, iv B) i, iii, iv, v, ii
C) i, iii, ii, iv, v D)  i, iii, ii, v, iv
 
Answer & Explanation Answer: D)  i, iii, ii, v, iv

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

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Q:

Which of the four figures can replace the question mark?

 

 

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

Explanation:
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Filed Under: Image Analysis
Exam Prep: Bank Exams

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Q:

In the following question, select the missing number from the given series.

 

147, 149, 152, 156, 161, ?

 

A) 168 B) 167
C) 166 D) 165
 
Answer & Explanation Answer: B) 167

Explanation:
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Filed Under: Number Series
Exam Prep: Bank Exams

5 16265